De Appel 46.1 - Exploration

DE APPEL
EXPLORATION
EXPLORATION OF
THE WORLD
EXPLORING THE OCEAN
FLOOR
And why we should do it more
THE START OF THE EUROPEAN
OVEREAS EXPANSION
j
46.1
Het verenigingsblad van W.S.G. Isaac Newton
THE WHEELS OF:
W.S.G.

GROW FURTHER
WITH TCPM
We think our profession is the best there is.
The continuous challenges and working
together on the best solutions give us
enormous energy. Innovations within the
industry follow at a rapid pace, so there is no
time to stand still for us either. With around
250 employees, we have a wealth of knowledge
and experience. We gladly share this with
each other and expand it daily. This is how
we remain leading in our area of expertise.
TCPM ACADEMY
From our own TCPM Academy, we stimulate
everyone’s ambition and challenge you to
keep growing. Even after your studies.
We ensure that you fully use your unique
talents. It is equally important to us that you
are doing well, that you feel good about
yourself and get satisfaction from your work.
We support you in your personal development
and facilitate you with various learning
programmes, so you can profile yourself via
your own route.
KICK-START YOUR CAREER
Are you curious about how TCPM can kick-start
your career? And do you want to learn about
the progressive projects you can work on?
Our mechanical engineer Bart Schreurs would
like to take you through his career and work at
TCPM. Watch his video and the stories of
several other TCPM employees via the QR code
or at our website www.werkenbijtcpm.nl.
“TCPM MAKES ME FEEL
CONFIDENT AND OFFERS THE
OPPORTUNITY TO GAIN A LOT
OF EXPERIENCE WITH VARIOUS
CLIENTS AND PROJECTS IN
DIFFERENT INDUSTRIES.”
- mechanical engineer Bart Schreurs
ABOUT TCPM
With our expertise in the field of engineering,
project management and industrial safety,
we offer a coherent package of services.
This enables us to provide complete and
integrated solutions for industrial customers.
We do this from our five offices spread
throughout the Netherlands, optionally (partly)
from home or at the customer’s premises.
2
DE APPEL

CHAIRMAN’S NOTE
66
The first edition of this academic year’s Appel lies before
you, with its focus on Exploration. Within the
pages of this issue, emphasis is placed on the significance
of exploration, both within the academic
sphere and beyond. For some students, this journey
of intellectual and personal discovery was initiated a few
weeks ago, coinciding with the start of the new academic year.
Exploration, it is like the ultimate adventure. It is all about diving
into the unknown, uncovering hidden gems, and just discovering
new things you never even knew existed. Whether it’s trekking
through unexplored jungles or delving into the mysteries of science,
exploration is what keeps you buzzing with excitement. It’s
that itch to see what’s around the next corner, to push boundaries,
and to make sense of this crazy, fascinating universe. Of
course, it is not always an easy ride. There are challenges, obstacles
and moments when you might feel like turning back. But it’s
in those very instances that you find your true strength, your
resilience, and your determination to see things through. Because
at the end of the day, exploration isn’t just about what you
find out there; it’s what you discover within yourself. As I look
back on my journey of exploration, I realise that the most profound
discoveries were not about the external world, but about
the depths of my own strength and curiosity. These realisations
have the power to ignite a similar sense of self-discovery and
wonder within each and every one of us, urging us to embark
on our own journeys of exploration, both within and without.
This Appel will teach you a lot about exploration and how
to take on the adventure. Get ready to immerse yourself
in a thrilling experience that will undoubtedly broaden
your horizons and leave an indelible mark on your personal
and academic journey. So, buckle up, because the journey
of exploration is one wild ride you don’t want to miss!
Veralin Staring
Chairman of W.S.G. Isaac Newton
Ubi Concordia, ibi victoria

CONTENTS
Colophon
De Appel is the periodical of student association
W.S.G. Isaac Newton in collaboration
with the study programme Mechanical
Engineering of the Faculty of Engineering
Technology of the University of Twente.
Editorial Address
Editorial Address
W.S.G. Isaac Newton w.r.t. de Appel
Mailbox 217
7500 AE Enschede
[T] 053 - 489 25 31
[E] appel@isaacnewton.nl
Edition
Volume 46, issue 1, December 2023
Amount
600 copies
Subscriptions
Subscriptions for de Appel are available at
the Board of W.S.G. Isaac Newton at a cost
of 25 euros per year.
© 2023 de Appel
The editors are in no way responsible for
the content of the supplied copy and reserve
the right to shorten and edit a copy.
Chief editor
Roan Spits
Editor-in-chief
Merit Fernhout
Designers
Fedde Engelen
Roan Spits
Merit Fernhout
Editors
Jan Maarten Schaapman
Leonie Horst
Martijn van de Ven
Roan Spits
Kik Hoekjen
Tijmen Stet
Printer
Vanderperk Groep
Van Leeuwenhoekweg 3
2964 LJ Groot-Ammers
Advertisements & Advertorials
p.2 TCPM
p.32 VDL-ETG
6
The Egg of Colombus:
What would the Egg of
Columbus taste like?
13
Meet your Teacher:
Mohammed Iqbal Abdul
Rasheed
18
Exploration of the world
The start of the European
overseas expansion
23
De Wielen Van:
W.S.G.
4
DE APPEL

08 Exploring the ocean
floor:
And why we should do it more.
11 Association news
14 Quality Assurance
16 From the Editorial
Join the committee!
17 Oost, west, huis molest
Column Tijmen
28 Weird foods
30 Puzzle
Settlers of Binairo
31 Answers puzzle 45.3
Horst tower puzzle
EDITORIAL
I
am delighted to greet you as the new Chief Editor
of de Appel. As the previous Chief Editor, Merit, embarks
on an exciting journey with her PhD, I am honoured
to welcome you to the latest adventure in
the world of Mechanical Engineering, this edition
being the first of this academic year! In this edition,
we are thrilled to delve into the riveting theme of exploration.
While exploration might conjure images of intrepid
adventurers and daring pioneers, let’s not forget the
unsung explorational heroes of another discipline behind
the scenes—our beloved Mechanical Engineers! For you are
about to embark on a literary journey where you will explore
the world, from the seas and the unexplored waters
thereunder to the culinary world far east, but also far west.
we can welcome you to the following work evening. Of course,
attending these working evenings is without obligations and
if it ends up not being something for you, that is totally fine.
In any case, I invite you to turn the page and start your journey
into the unknown!
Roan Spits
Chief Editor
Of course, in every edition, the editorial works hard to put
out an interesting and engaging edition for you all to read.
Recently, however, we’ve been lacking a bit with the amount
of members who are writing articles and doing the formatting
of these articles. That is why we are looking for new
talent! In the centrefold of this edition, there is some more
information about what we do and what you can learn from
joining the committee. If this sounds interesting to you, don’t
hesitate to contact us or approach me in the Newtonroom so
DE APPEL 5

EXPLORING HISTORIC CUISINE:
WHAT WOULD THE EGG OF
COLUMBUS TASTE LIKE?
PREPARING THE TASTE TEST
With our engineering goggles on, it is time to get ready for the taste test
of a lifetime. Picture yourself in the new workshop on the CAD terrain,
standing over a long table, equipped with an unprepared Egg of Columbus.
As we don’t want to mess things up, let us first carefully analyse
the egg to come up with the ultimate engineering strategy for cooking
this ancient artefact to perfection.
THE SHAPE OF SAVOUR
Naturally, perception is one of the most important things when it comes
to tasting. To truly understand what our tongue is experiencing
once ingesting the Egg of Columbus, we must delve into the world of
geometry. After all, we as mechanical engineers are no strangers to calculating
angles, dimensions, and curves. In the previous edition of The
Appel (45.3), the article Appeltje-Eitjes? provides insights into why eggs
have specific shapes to meet various requirements. The Egg of Columbus
however, has a unique geometry as it has its base slightly flattened.
Let us uncover the culinary secrets of this unique geometry.
First, let’s appreciate the egg shape itself. The curvy, smooth, symmetrical,
and perfectly balanced geometry is a true engineering marvel.
As mechanical engineers, we appreciate precision, and the egg is the
pinnacle of geometric accuracy.
Now, let’s address the base. The interruption of the smooth surface into
a discontinuous segment seems horrible at first, but now imagine a
spur gear with one of its teeth broken, leaving a flat surface.
The gap unintentionally serves as a clearance that allows the mating
gears to run smoothly without interference. Like with the egg of Columbus,
the imperfection didn’t turn out to be a problem but a solution!
In culinary terms, this flattened base might resemble an element
of crispness that contrasts with the silky smoothness of the rest of the
egg.
FROM CONVECTION TO CARAMELIZATION
Our engineering minds begin to wander. How did Columbus achieve
the perfect balance of textures and flavours? Our engineering curiosity
leads us to think about the heat transfer processes at play during the
cooking of the Egg. Or so I presume once you have attended Module 7.
We assume that the Egg’s interior must have been gently cooked
through convection, conduction and radiation. An ordinary pan on the
stove wouldn’t have done this marvel justice. Columbus would have
had the Egg slowly cooking by radiation of the first rays of sunrise. Or
maybe he used convection in the way heat circulates in a nicely designed
HVAC system. Whatever he used, the slow, even heating resulted in
a beautiful creamy consistency to let your mouth feast upon.
On the other hand, the crispy base likely owes its
texture to the rapid conduction
of heat,
6
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For those of you unfamiliar with the story, let me provide a quick recap. Christopher Columbus, the infamous explorer,
was once challenged by a group of highborn snobs claiming that anyone could have discovered America as easily as
he did. In response, Columbus picked up an impossible task: making an egg stand upright on a flat surface without any
external resources supporting it. After some thinking, he sneakily cracked the egg’s bottom a bit, allowing it to stand
upright. The lesson learned? The simplest solution can sometimes outsmart the most brilliant minds.
Now, let us imagine that Columbus didn’t just crack the egg but decided to afterwards turn it into a culinary
masterpiece. What would it taste like? How could we apply our mechanical engineering skills to construct the most eggstraordinary
dish ever? Dear Newtonians, let us dive into this gastronomic exploration!
like how heat travels through a well-conducted circuit. The heat concentration
at the base would have caused browning and caramelization,
creating a delightful contrast to the creaminess in the middle.
We don’t know how he did it, but it must have been a culinary heat
transfer masterpiece that combines the best of both worlds, just as we
engineers strive for optimal solutions in our mechanical designs.
FROM PONDERING TO PRACTISE
Now that we have analysed the Egg to our fullest extent, we can start
the cooking. Luckily, us Newtonians never fail when it comes to obtaining
proper results in our experiment and… there you have it: a perfectly
prepared Egg of Columbus. We get our finest cutlery out and start
digging in.
The flavours, it seems, mirror the principles of mechanical engineering,
combining precision and innovation. The creamy centre represents the
classic, dependable aspects of our study, while the crispy base introduces
the element of surprise and creativity.
BY: TIJMEN STET
As we finish our egg tasting, we can’t
help but think about how Columbus
unknowingly engineered a culinary
masterpiece that resonates
with our mechanical
instincts.
The Egg of Columbus, with its marvellous geometry and innovative approach
to cooking, shows the power of simplicity and creativity.
THE EGG OF COLUMBUS:
A MECHANICAL MARVEL
In a world filled with complex gadgets and high-tech machines, this
humble egg reminds us that sometimes the most brilliant solutions
are elegantly simple. As mechanical engineers, we can draw inspiration
from the Egg of Columbus, not just in our designs but also in our way of
working and solving problems.
So, the next time you find yourself facing a complex engineering challenge,
take a moment to think about Columbus and his egg. Maybe the
solution is easier to achieve than you think, waiting to be cracked, just
like the egg.
In the end, the Egg of Columbus teaches us that innovation can be found
in unexpected places, even in ordinary eggs. It’s a reminder that we,
as mechanical engineers, are the modern explorers of our era, seeking
new frontiers in science, technology, and even cooking. Seeing past the
edge, just like Columbus did. One day we will make the grand discoveries
in life ourselves but for now: Enjoy your meal! a
DE APPEL 7

EXPLORING
THE OCEAN FLOOR
8
DE APPEL
BY MARTIJN VAN DE VEN
Did you know that the
surface of Mars has been
mapped up to an amazing
accuracy of 5 metres? Maps
of our ocean floor only have
a resolution of 1.5 kilometres.
This means that the maps of Mars’s
surface are 300 times sharper than
the maps of our ocean floor! Crazy
right? Why haven’t we mapped the ocean
floors properly? Why should we? And how
are we going to? Let’s dive into the world of
bathymetry, the study of seabed topography.

WHY STUDY THE OCEAN FLOOR?
Having a map of the ocean floor is of crucial importance, especially in
times of crises. For example, during the search for the lost MH370 plane,
boats went onto the oceans to try to find the missing plane. However,
the floor of the ocean consists of a varying landscape with very big
mountain peaks, that are easily big enough to hide a plane. Having maps
of the ocean would have been a great start to pinpoint possible locations
where the plane could have ended up.
On top of that, mapping the ocean floor can be useful in predicting
tsunamis. For example, near the Bahamas, there is a potential for underwater
landslide, which in turn can cause a tsunami that could reach
Florida. Mapping the ocean floor can reveal instabilities in the seafloor,
which could be indicators of these tsunamis.
Having a map of the ocean floor can also give a better understanding
of the currents in the ocean, and what they arise from, which in turn
is important for finding optimal routes for commercial ships and placement
of offshore industries. Nowadays, the ocean floor is also an important
place for internet cables, having a total length of at least 1.5 million
kilometres!
And lastly, besides all these arguments that provide the use of knowing
the ocean floor, isn’t it just weird that we know more about the dark
side of the moon than about our oceans? It is kind of like having a pond
in your backyard, and not knowing what’s inside. So enough reason to
explore the ocean floor.
THE SURFACE IS WELL-STUDIED
Before we dive into the depths of the ocean, let’s first stay at the surface
level. Because while exploration of the ocean floor is relatively new,
the surface of the ocean has already been monitored for a long time.
4000 profiling floats are scattered across all oceans, which continuously
measure properties like salinity and temperature. Additionally, drifting
buoys are equipped with a lot of sensors to measure properties like
atmospheric pressure, temperature and velocities. All these measurements
combined can map currents in the ocean and are important for
predicting the weather. These floats are important but only go up to
depths of 2000 metres, which is often not revealing about the ocean
floor.
The ocean’s surface is also measured from space! The Jason satellites use
radio waves to measure the height of the ocean surface, which is mainly
used to measure the effects of climate change. These measurements are
also used to roughly map the ocean floor. This is because the ocean surface
height resembles the ocean floor height because of gravity. Every 10
days, Jason can measure 90% of the ocean surface height! Fast, but not
so accurate.
Sadly enough, we cannot use the satellites that we use for mapping
Mars with high resolution to map the ocean floor. This is because as the
water becomes deeper and deeper, light scatters so much that after 200
metres it is dark. This means that no light reflects to be detected either.
This way, we cannot take pictures, to make high-accuracy maps. So, how
do we map the ocean floor?
DE APPEL 9

DEPTH LEVELS MARIANA TRENCH
0.8 km: Burj Khalifa
1.0 km: Light can no longer penetrate the water.
MAP THE OCEAN FLOOR
One of the first techniques of mapping the ocean floor was by
letting a weighted rope down into the water. The idea here is of
course very straightforward. Keep track of how much rope you
have thrown into the water until it hits the floor. Fathoms were
used for this, a unit which is defined as the average length of a
man’s arms fully stretched (roughly 1.8 metres). This funny but
clever definition of a unit is sometimes even still used for bathymetric
maps!
Sadly enough, the technique has a lot of limitations. At very deep
points in the ocean, it is hard to determine when the rope actually
hits the floor because at a certain point, the weight of the line
could also cause it to keep on sinking, even after it hits the ocean
floor. Also, with underwater currents the line can sway sidewards,
overestimating the depth. The biggest drawback of the technique
is that it is extremely time-consuming as well as labour-intensive.
Nowadays, a lot of other techniques are used for measuring the
ocean floor. First, there is airborne laser bathymetry. An airborne
vehicle flies above the ocean and sends laser signals into the
water. It measures two reflections, one returning from the ocean
floor and one returning from the surface. This is a fast technique
because even though the ocean is deep, the speed of light is so
fast that measurements can be done in a fraction of a second. For
this technique, usually green light is used to efficiently penetrate
the ocean water whereas infrared light is used to bounce off the
ocean surface.
Another technique that is often implemented is multibeam sonar
measuring! Multibeam sonar spreads sonar signals in a fan
shape from one side of a ship to the other and underneath it.
This way, areas of even 10km wide can be mapped simultaneously!
They measure the ocean depth, but also the backscatter,
which measures the intensity of the sound signal as it returns
to the sensor. This gives information about the floor. Hard materials
like hard rocks will return a higher intensity sound signal
than clay or mud. A lot of ships are equipped with these
sensors and are sent out to measure the ocean floor’s depth.
Multibeam sonar and laser airborne bathymetry are both great
and accurate ways to measure the ocean floor. However, there is a
problem with both techniques. As the ocean becomes deeper and
deeper, both methods become less accurate. The main problem is
that these measurements are dependent on an accurate estimation
of the speed of light and the speed of sound. As the ocean
becomes deeper, the error in ocean height becomes larger because
of the error in the speed of light/sound.
10 DE APPEL
GOING DEEP
SUCKS
Therefore, the most
accurate way to measure
the seafloor is to get
some devices down there
that do the work. That is
why some robots are developed
to go down there!
These robots are designed
to fit a lot of sensors and to
take as much information
with them as possible when
going up. However, designing
these robots is difficult. With
depths of the ocean reaching 10
kilometres (deeper than Mount
Everest is tall), the pressure becomes
crushing. Every 10 metres,
the pressure increases with one
atmosphere of pressure, which
brings a big engineering challenge.
Challenger Deep is the deepest spot
in the ocean, located in the Mariana
Trench in the northwest of the Great
Ocean. At this point, the pressure
would reach approximately 1100 atmospheres!
Combine that with a pitchdark
setting, you can understand why
multibeam sonar is the easiest way to
map the ocean floor, albeit a bit slow.
3.8 km: Titanic shipwreck
4.5 km: Alps peak
SEABED 2030
Mapping the ocean floor using multibeam
sonar equipped on ships is like mowing the
lawn, except the lawn is insanely big. Therefore,
forces need to be combined to map the
ocean floors. Enter Seabed 2030, an initiative
to have mapped the whole ocean floor to an
adequate resolution by 2030. In 2019, only 15%
of the ocean floor was mapped to this accuracy,
but now in 2023, already 25% is mapped. There is
still a long way to go, but the future is exciting.
Maybe we will find some interesting shipwrecks,
new animals, or amazing seamounts. Because
who knows what has remained hidden for all this
time under the resolution of 1.5 kilometres? k
8.8 km: Mt. Everest
11 km:
Mariana
trench

MEET YOUR TEACHER
BEYOND TEACHING
Curiosity kills the cat, they say, but that’s what drives us to make scientific
progress. Blissfully unaware of such philosophical notions as a kid, I was
happily dismantling wall clock mechanisms and FM radios to see what was
inside. It definitely killed the devices, but I got some satisfaction knowing
what was in there, which made it work as it worked!
BY: DR. M.I. ABDUL RASHEED
Throughout my childhood I was always interested in how things worked
around me, especially large metal objects, called aircrafts, carrying
humans that seemed to effortlessly float and move through air. I spent
all my childhood and young adulthood in the metropolitan city of Chennai,
in the province of Tamil Nadu in India. Chennai’s airport, one of
the busiest in the region, was nearby, making it easy to spot the flying
machines frequently, which kept me interested and fascinated. I have
to say that my inquisitiveness was well fed by my parents and teachers
without which it would have been very difficult to navigate through the
maze of early adulthood.
After high school, I desired to pursue a career in building machines, be
it flying or stationary. However, in reality, the choice was limited due to
the lack of universities providing aerospace bachelors. Anyways I was
happy to choose mechanical engineering because it sounded broad, and
I had heard that it could be a good foundation for my interests. During
that period, I adjusted my goals slightly and reassured myself that I
would do a masters in aerospace engineering. Looking back, that was
a good decision for me since I gained a lot of interesting insights in
my bachelor years which comes in handy even today. One of the most
enjoyable activities was building an all-terrain vehicle for the BAJA
SAEINDIA competition as a team of students. We learnt many aspects
of technical and management skills in a hard way during that period.
During my bachelor studies, I frequently found myself in the role of
explaining technical concepts to my friends with ease. Inherently I liked
the process of teaching in a manner that others would understand the
concepts or derivations. In retrospect, I now see a connection between
my inclination to teaching and becoming a lecturer. Over time, I realized
it would be nice to gain some industrial experience before barging into
master’s studies.
After my bachelors, I joined the R&D division of WABCO TVS India as a
graduate engineering trainee working on clutch servo actuators. I learned
quite a lot working in an industrial environment, reverse engineering
devices, operating CNC machines and working in assembly lines as
part of my training. At some point, I wanted to continue pursuing my
interest in flying machines and joined a master’s in aerospace engineering
at TUMunich-Asia in 2009. I learnt from passionate lecturers and
teaching assistants (PhDs) from NTU and TUM during that period and
got inspired to carry out my master’s assignment in a research environment
in Munich.
My research interests propagated in the direction of structures and
materials, and I ended up in Twente doing my doctoral research on
discontinuous composite
materials with
prof. Remko Akkerman
in the chair of production
technology and ThermoPlastic
composites Research Center. My
most cherished memories during my adulthood, both academic and
personal, were created when I was doing PhD. My experience in the industry
and background in mechanical engineering helped quite often in
getting up to speed in the laboratories to perform experiments. I worked
on characterizing the manufacturing process and mechanical properties
of composites with a rather unique type of discontinuous reinforcement.
One of the notable applications is downcycling of production
scrap into usable structural components. Parallelly my academic interest
also grew to the point that during my postdoctoral research period
I was filling-in a temporary gap in teaching about polymers.
Since I enjoy both research and teaching, I joined the chair of applied
mechanics (then), now Applied Mechanics and Data Analysis, a vibrant
group of multidisciplinary researchers chaired by prof. Bojana Rosic. I
took over some bachelor courses like statics, mold design specialization
and mechanics of materials over the course of time. I have always enjoyed
conveying knowledge in as many ways as possible, to make sure
it resonates with various students and thus is effectively absorbed. I am
always fascinated to see the Aha! moments in the students when they
cross the barrier of learning a new concept, and that motivates me to
keep pushing and improve myself. The students seemingly liked my approach
in teaching as well, and they responded by awarding me the best
teacher of the year award in 2021. I am humbled by this response, and it
certainly encourages me to continuously improve my skills. Currently,
we see that the study environment is becoming more international and
diverse than ever. I believe creating an inclusive and safe learning environment
is of utmost importance. Hence, I am trying to work towards it
as I progress and learn along the way.
At present, I am working on characterization of heterogenous materials,
and the methods to understand the variations in their properties arising
from both the manufacturing process and the inherent variations
in the constituent materials. Many bachelor and master students have
also helped me in paving this path. I hope to nudge the current understanding
of heterogenous materials in a direction where the engineers
of the future (you!) can use it to design safer and efficient light weight
structures. If you want to be a part of this journey, don’t hesitate to
contact me for a bachelor or master assignment.
DE APPEL 11

ASSOCIATION NEWS
IN THE PICTURE
NEWTON DIES WEEK
Though it has only been a month, the moody weather makes it feel
like the Dies-festivities were held ages ago. To keep the memories
fresh, let’s look back at the entire week, and the many highlights we
got to experience together!
Though the week officially started on Monday, many of you probably
caught wind of the preparations on Friday; suddenly the Horst was
adorned with a beautiful banner, reading ‘Newton Toren’, reminding
us of the association that truly rules over the tower. Did you know
that the Horst used to be called the ‘Werktuigbouwkundig Gebouw’
(‘Mechanical Engineering Building’)? Not only the tower itself was decorated,
but: we hung some flags on the side of the Horstpond as well!
The week started strong with the ‘Anything but a Backpack-day’,
during which we revealed our secret merch-item; the ‘Newton Torenposter’.
Anyone who carried their books in anything but a backpack
received this item for free. Many different items were spotted, including
a guitar case and a beer crate.
On Tuesday the biggest activity of the entire week took place; the Skelterrace!
Accompanied by live music, many teams contested to figure
out who were Newton’s best racers. Though many skelters did not
withstand the extreme stresses they were put under by Mechanical
ANALOG PICTURE BY ADAM FLAK
J
Engineers twice the age and weight of the original target audience,
the race had to go on, and many teams had to execute an emergency
repair. It was a great success and something we won’t easily forget!
On Wednesday our Lunch-lecture included a small bonus; everyone
got a green apple along with their lunch. The next day a green tapestry
suddenly appeared in the Horst, leading everyone straight to
the Newtonroom. In that Newtonroom we held a true rave, with a DJ,
drinks and lighting to match. That was only the beginning though;
after a Diepzatdrink and dinner at the Sportkantine, the night really
got going. The Diesparty in the Vestingbar saw the introduction of a
revolutionary cocktail: The Newtontonic. Although I won’t get into the
drunken adventures of the night, I think everyone will understand
the low attendance at the end of the Diesweek the next morning: Beeryoga
did end up being a bit of a bridge too far for all but the most
hardened Mechanical Engineers.
We hope you have as many good memories from this legendary week
as us!
12
DE APPEL

CANDIDATE BOARD
The 66 th board will be running the association until the 7 th of February,
after which their successors will take over. After a long and
tough search, the candidates for the 67 th board have been found.
From left to right in the picture above: Bernd Boerma, Timme Mes,
Niels Winkelman, Veerle Schenkelaars & Marieke Holters. In the coming
months you can recognize them by their signature black tie
with a white Newton logo and “Kandidaat” on it. Of course, the candidates
won’t know how to manage the association from day one,
so the current board will help the candidate board find their way,
making sure they are well prepared to run our amazing association.
Their functions will be announced on the 7 th of December.
NEWTON RALLY
On June 30, our association members set out on an expedition across
Twente, utilizing their preferred mode of motorized transport. The
rally commenced with a customary Le Mans start, where each participant
sprinted towards their yet-to-be-started vehicle, hopped in,
ignited the engine, and set off! Divided into teams, we embarked on
a scavenger-hunt-esque adventure, exploring numerous charming
spots in Twente, predominantly following the tourist routes. Each
team thoroughly enjoyed the experience, and remarkably, we all arrived
at each destination approximately simultaneously. Since the
Newton Rally isn’t a race, the most effective strategy for accumulating
points was, of course, to maintain a steady, unhurried pace!
FIRST YEAR’S WEEKEND 2023
During the second weekend of October, first-year bachelor students
embarked on a cycling journey to Beuningen near Denekamp,
staying at a charming dairy farm. The first night was marked by
an all-night party, highlighted by the lively beer-relay competition.
The night was such a hit that it proved difficult to rouse everyone
from their beds the following morning. After a hearty breakfast,
the day was filled with activities such as a tour of the dairy farm,
real-life stratego, keg-rugby, and came to an end with the notorious
FYW-Cantus. At the cantus, voices echoed as everyone sang their
hearts out, and, most notably, there was a great deal of playful rebellion
against the senate. Which culminated in memorable lessons
for the troublemakers and an unforgettable weekend getaway.
WOMEN’S POTTERY
Halfway through October the MeisCie, the Women’s Committee,
organized a pottery workshop for 30 women in Mechanical Engineering
and Sustainable Energy Technology. First the committee,
in their bright Lila sweaters, explained different pottery techniques
and gave some examples of what you could make. After that, everyone
got to work with their own imagination. Some students came
prepared with an object they would like to replicate like a nose from
clay to hold your glasses. Others scrolled through Pinterest to get
inspired. In the end, all kinds of things were crafted, like jewelry
trays, mugs, bowls, nice scenery from a holiday, pretty room decorations
or pots for all your plants. It was a nice bonding activity
to bring the women of ME, as we don’t have many, closer together!
DE APPEL 13

QUALITY ASSURANCE COMMITTEE
REPORTING
Every quartile, the Quality Assurance Committee (QAC) evaluates a selection of the Bachelor and Master
courses of Mechanical Engineering and the Master courses of Sustainable Energy Technology. We do this by
sending a questionnaire to all the students that follow a specific course. Thanks to everyone that fills in these
questionnaires, we are able to evaluate the different courses and write our reports. Thank you for your input!
In four editions of De Appel, we name the most important highlights of these evaluations. This way, you can
get a short view of the results of the committee and, in some cases, the comments of the lecturers. In this
edition, the courses of quartile 4 of the year 2022-2023 are mentioned. The yellow courses are UT Bachelor
courses, the blue ones Master courses. If you are curious about the full report of a course, you can go to our
website: http://www.utwente.nl/wb/evaluatie.
On behalf of the Quality Assurance Committee ME/SET,
SAIF AHMED CHAIRMAN
21% 4.1
LINEAR ALGEBRA
PASSING RATE FIRST ATTEMPT: 51%
16%
4.3
MECHANICS OF
MATERIALS
• Students appreciated the availability of the teacher.
• Students found that the workload was too much for the given number
of ECs.
38%
3.6
PROJECT DESIGN OF A
CONSTRUCTION & ACADEMIC
SKILLS 4
PASSING RATE FIRST ATTEMPT: 100%
• Students felt that the project was relevant to their education.
• Students did not appreciate the timing of the deadlines.
• The project description was sometimes vague.
PASSING RATE FIRST ATTEMPT: 71%
• Students found some errors in the solutions provided to
the exercises.
• Students appreciated the new practical added this year.
25% 3.6
MACHINE ELEMENTS
PASSING RATE FIRST ATTEMPT: 58%
• Students found the course to be relevant to their education
• There was a lack of practice materials.
14 DE APPEL

This percentage represents the
amount of respondents out of the
total students taking the course.
%
The average score, ranging
from one to five, given by the
respondents.
X
43%
MULTIPHASE FLOWS
• Students appreciated the availability of the teachers.
• The coherence between some of the topics, discussed in the course,
was unclear for most students.
• Students did not appreciate having an attendance sheet for coming
to the lectures.
38%
WIND ENERGY
PASSING RATE FIRST ATTEMPT: 100%
• Students found the learning outcome to be relevant to their
education.
• Students would have appreciated it if some of the topics were
discussed even further.
70%
2.9
3.5
3.8
ELASTOMER SCIENCE &
ENGINEERING
• Students appreciated the availability of the teacher.
• Students prefer having a theoretical assignment rather than a
written exam.
19%
3.3
SYSTEM IDENTIFICATION
WITH PARAMETER ESTIMA-
TION AND MACHINE LERA-
NING
• Students found the content of the course to be interesting.
• Students did not like the structure of the lectures.
• Students would have appreciated more real-life examples.
67%
3.5
UNCERTAINTY
QUANTIFICATION AND
MODEL REDUCTION
PASSING RATE FIRST ATTEMPT: 100%
• The students found the course to be interesting.
• The students found that the study material could be improved.
90% 4.2
EXPERIMENTAL METHODS
PASSING RATE FIRST ATTEMPT: 100%
• Overall, the students appreciate the course.
DE APPEL 15

16 DE APPEL

COLUMN
TIJMEN STET
OOST, WEST,
HUIS MOLEST
Een studentenhuis eert zijn tradities. Onze voorvaderen,
zij die zijn afgestudeerd lang gelee, kijken vanuit hun hoge
kantoorbanen op ons neer. Wakend over de verwonderde
zielen die hun weg vinden in de residentie eens door hen
bewoond. Ook zij hadden huisavonden; bijzondere gelegenheden
waarbij zelfs de doorgewinterde balletjes uit de
Pakkerij rollen en grijze muizen uit hun holletjes kruipen
voor een nacht vol semi-geforceerde gezelligheid. Maar
liefst twaalf keer per jaar verzamelt ons huis zich voor een
mysterieuze activiteit georganiseerd door één van
de bewoners. In de krappe woonkamer worden
objecten gezocht die nog iets van een
zitvlak weg hebben. De ene helft zit op
gekantelde kratten Klok, De andere op
oude bureaustoelen geadopteerd van
het oud vuil. De kok gooit een pot
slappe rijst op de hard-stalen tafel.
Een scherp oog kan een verdwaald
stukje kip ontdekken; een waar feestmaal.
Wanneer de magen zijn gevuld
en de eerste pot bier geleegd is, verzamelen
we ons op de doorgezakte bank om een
presentatie met de avondplanning te aanschouwen.
Dit gaat gepaard met het uitkafferen van de andere
bewoners op komische wijze. Van het weekend heeft de
HJ de koffiepot niet onder het apparaat gezet, wat resulteerde
in koffie in het stopcontact en doorslaande stoppen.
Ook de nestor maakt nog wel eens een foutje en vond dat
blendergebruik ook prima kan zonder deksel. Het huis is
gedecoreerd met een prachtige plafond-smoothie. Onder
het kabaal van geschaterlach en klinkend glas vertrekt de
inmiddels aangeschoten roedel naar buiten. Op weg naar
een casino, een trampolinepark, een speurtocht of een
kroegentocht. In thema kledij of met de huisshirts aan. De
kleine conflicten die de afgelopen tijd rond het afwassen
ontstonden worden al gauw vergeten en vergeven na de
bodem van tig pitchers gezien te hebben. De voorvaderen
bewonderen ons met een lach op het gezicht.
Eenmaal weer thuis gearriveerd vindt de HJ een verdwaalde
fles rum in het hoekje van de ijskast. De nestor prijs
hem voor zijn vindingrijkheid. Het huis-imago dat naar zijn
eigen handelen menige klappen geïncasseerd heeft in de afgelopen
weken lijkt plotsklaps hersteld. De huis ICT’er voelt
zich geroepen om funeste video’s af te spelen op de tv. Het
overig gepeupel neemt gedwee plaats voor de buis.
Er wordt geschreeuwd, gelachen en genoten
maar de gesprekken ontgaan me. Mijn bezatte
ogen staren inmiddels door dubbele
lenzen de wijde wereld in. Gekust
door de melodie van de nacht vormen
warme blosje op mijn wangen, neus
en oren. Zwevend neemt het me mee
naar mijn knusse, ietwat slonzige
slaapkamer. Een tapijt van met avontuur
doordrenkte kleding vormt zich op
de vloer en mijn kussen voelt de omhelzing
van een man die met zeebenen in zijn
wollen schuit duikt. Afgevoerd naar dromenland,
waar de Horstvijver een subtropisch zwemparadijs is en
Diepzat het hele jaar door Weizen op de tap heeft. Hmmm…
Bij dageraad verdwijnt de roes van vorige avond net zo
snel als mijn ruggengraat op een donderdagmiddag. De
vloer glinstert, niet door de verse schoonmaak maar de
weerspiegeling van groene glasscherven en aangekoekt
bier. Een molesterende wervelstorm van zatte studenten
heeft werkelijk waar de plafond smoothie nog een rooskleurig
randje gegeven. Maar goed, er valt aan te wennen
zolang het maar bij die ene keer per maand blijft. Ik zucht
een laatste maal diep en kijk nog eens goed in het rond: De
morgenstond heeft goudgeel op de grond. TS
DE APPEL 17

BY JAN MAARTEN SCHAAPMAN
18 DE APPEL

AGE OF DISCOVERY
The beginning of the European age of discovery started by Henry the
Navigator. Henry became a royalty by being born as third or fourth son
of the catholic king of Portugal in 1934. Together with his brothers, they
made name by conquering the north African coastal city Ceuta in 1415,
located on the strait of Gibraltar in present-day Morocco. Ceuta was
very rich by being the end of the Muslim trade network for caravans.
The goal of the conquest was to stop pirate-attacks at the
Portuguese coast and take over the wealth of Ceuta. The latter
failed as the city of Tangier became the new trading place.
Cape Bojador
Henry believed that Portugal should seek out valuable
sources of trade for itself. This to control and take over the
flourishing Muslim trade and make money. Furthermore,
he was inspired by a crusade, in collaboration with the
Christian legend of Prester John, to be able to attack the
Muslims from two sides. Prester John was a myth about
a christian kingdom somewhere in the inlands of Africa.
Although it was disputed, Henry started a school of navigators
and map-makers in Sagres, south-west Portugal, for
exploration of the African west-coast. Sailors were sent out for
expeditions in which they had to sail a bit further down the African
coast then his predecessor. As they were afraid of the unknown,
they explored in small steps.
In 1424, Cape Bojador (currently in the country Western-Sahara) was
the most southerly point known to Europeans on the west coast of Africa.
For centuries, superstitious seafarers held it impossible to cross
this Cape for multiple reasons. They would argue that the shallow cape
would last for kilometers into the sea, making it impossible to pass,
or the sea water was boiling or there were sea monsters at the edge
of the world. However, Henry was determined to know the truth. He
was persistent and sent 15 expeditions over a ten-year period to pass
the dreaded Cape. Each returned unsuccessful. The captains gave various
excuses for having failed. Finally in 1434, a commander of one
of Henry’s expeditions, Gil Eanes, became the first known European to
pass Cape Bojador in almost two millennia.
As the Portuguese explored the coastlines of Africa, they claimed land
and built fortresses and trading posts. From these bases, the Portuguese
engaged profitably in the slave and gold trades. Portugal had a
monopoly on slave trade for over a century, bringing around 800 enslaved
to Portugal annually. Most were brought to the Portuguese capital
to be traded, where it is estimated that black Africans became up to 10
percent of the population of Lisbon.
Henry the navigator passed away in 1460. By then Portugal only explored
until the current Liberia and Côte d’Ivoire border, but he is seen as
the patron of the Portuguese exploration. After his death, exploration
continued. Noteworthy mentions are the first rounding south of ‘Cape of
Good Hope’ by Bartolomeu Dias in 1488, proving that the Atlantic ocean
is connected to the Indian ocean, and Vasco da Gama being the first
European ever to reach the East Indies by sea in 1498. This achievement
gave Portugal a monopoly in the East Indies and a flourishing trading
of spices started.
DE APPEL 19

SPANISH EXPLORATIONS
Chrisopher Columbus, an Italian explorer and navigator, thought that
the fastest way to the East Indies was to go by boat on a western route.
This was because the silk route over land was closed for Christian traders
since the fall of the Byzantine empire in 1453 and he didn’t believe
that going around Africa was the fastest way. To prove this, he persistently
lobbied in multiple kingdoms to financially support a journey to
the East Indies. Columbus found funding for the trip from the Spanish
Kingdom. In comparison to Portugal, which already completed the Reconquista
in 1250 (the war between Christian kingdoms versus Muslim
kingdoms on the Iberian peninsula) it would take up till 1492 to defeat
the last Muslim kingdom in Granada. After the Spanish king regained
control over the peninsula, the focus could be shifted from warfare to
exploration by supporting Columbus.
Although the equator was already measured quite accurately by Greek
mathematicians in the third century BC, Columbus managed to miscalculate
the distance to East Indies through a western route by 58%. This
is due to the conversion error between an Arabic mile (1830 meters) and
a shorter Roman mile (1480 meters). Furthermore he thought that the
then known world, from Lisbon to East Indies would span 210 degrees
longitude, but in reality that is only spanned 130 degrees. If Columbus
performed his calculations correctly, he knew he had to sail 19600 kilometers
on open sea from the Canary islands to Japan, which by then was
impossible as not enough food and fresh water could be carried.
Columbus departed with three ships to the Canary islands to restock
provisions, whereafter he set sail west for the unknown. After a voyage
of five weeks westwards they saw land for the first time and on October
the 12th 1492 Columbus went ashore on the island named ‘Guanahani’ by
the locals on San Salvador in the Bahamas. Columbus thought this was
the East Indies, but in reality he found the ‘New Land’. Columbus started
trading with the tribes he called Indians as he thought was trading
with the people of the East Indies. As one of the three ships got stuck in
nowadays Haiti, the 39 crew went ashore and built, with the remains of
the ship, a fortification named Hispaniola. This was the first European
settlement in the New Land. More fortifications were, according to Columbus,
not required as all tribes, except for one, weren’t violent against
the Europeans. Columbus was welcomed as a legend on his return in
Spain back in 1493.
In 1493 Columbus returned for his second journey, this time to establish
permanent colonies. When he returned to the fortification built
on the previous voyage, it was completely destroyed by the Indians as
revenge of the unrestrained Spanish lust for gold and women. Columbus
explored the coasts of Cuba and Jamaica before returning to Hispaniola
where he implemented a Spanish labor system. This system rewarded
conquerors with the labor of conquered non-Christian people, enslaving
the indigenous people, including children. Columbus was not only
feared by the indigenous people, also Spanish colonists were afraid for
him as he executed Spanish colonists for minor offenses. After a trip of
30 months, in which two thirds of the Spanish died due to famine and
diseases, the fleet departed with the 500 strongest slaves back to Spain,
from which only about 300 survived the route.
In 1498 Columbus departed for the third time to the New Land. This time
he landed in current Venezuela which was the first recorded landing
of Europeans in mainland South-America. With this landing Columbus
should have realized he found a new continent and not the East Indies.
When he returned to Hispaniola there was a rebellion against his rule
due to unfulfilled promises of riches. He turned down the rebellion with
violence and sent two ships back to Spain for support. However, by then
they knew in Spain that Columbus ruled Hispaniola with torture and
mutilation. The governor named Bobadilla, sent by the Court of Spain,
took over Columbus’ power when he arrived, arrested him and sent him
back to Spain. After just six weeks in prison, the king of Spain ordered
his release, made excuses for Bobadilla and restored the lost properties
of Columbus. The investigation of Bobadilla was considered false and
biased as he was eager to take over Columbus’ power in the New Land.
The fourth and last journey departed in 1502. Arriving at Hispaniola to
seek shelter for a storm, Columbus was denied port by Bobadilla. His
warnings for a storm were dismissed as fake by Bobadilla and the first
Spanish treasure fleet encountered a storm. As a result, 20 of the 30
ships sunk and 500 men drowned including Bobadilla. The ship with
Columbus’ belongings, earning a tenth of all income out of the New
World, made it to Spain. After this he explored for two months the coast
of Honduras, Nicaragua and Costa Rica for a strait leading to the East
Indies, which he obviously couldn’t find. Due to a storm Columbus was
beached for six months in Jamaica. A canoe paddled to Hispaniola for
help, but the new governor refused and actively obstructed all rescue
efforts. In the end, Columbus found help from the natives, after threatening
and predicting a correct lunar eclipse. Columbus and his men
returned for the last time back in Spain in 1504.
Columbus refused to believe that he found a new continent instead of
the East Indies. Amerigo Vespucci was also an Italian explorer and navigator
working first for the Spanish Kingdom and later for the Portuguese
King. On his second voyage, under Portuguese rule, he sailed
down along Brazil and discovered that the land found by Cristopher Columbus
was a new fourth continent unknown to Europeans. He called
this fourth continent the ‘New World’ in 1501. In 1507, this claim inspired
a German cartographer and to recognize Vespucci’s accomplishments
he named it after his first name in Latin style to ‘America’. By 1532 this
became the standard on all maps as other cartographers followed. It is
unknown whether Vespucci was ever aware of these honors as he passed
away in 1512.
20 DE APPEL

DUTCH EXPLORATIONS
It would take almost a century before the Dutch exploration started.
Willem Barentsz tried three times, unsuccessfully, the northern way
around Russia to find the East Indies. On his journeys he discovered
Spitsbergen and Bear Island, contributing to whaling. He died on the
return voyage of his second journey, after spending the entire winter
in ‘het behouden huys’ on Novaya Zemlya after the boat got frozen into
the ice. The sea in between Spitsbergen, Bear Island and Novaya is called
after Willem Barentsz as the Barentsz sea.
The first Dutchman to pass ‘Cape of good hope’ and reach the East Indies
by boat was Cornelus de Houtman. He achieved this almost a century
later than Vasco da Gama in 1596. To know the route he went in the years
before as a spy to Lisbon, but was caught and prisoned. After paying
ransom he could return home to the Netherlands. The first trip was economically
not a success, but that changed after the establishment of the
Dutch East India Company (De VOC) in 1602. For 21 years, this first jointstock
company and multinational had a monopoly on warfare, trading,
negotiating treaties, establishing colonies and enslaving people in the
East Indies. The flourishing and prosperous trade was completely taken
over from the Portuguese.
The Netherlands being late in arriving in the East Indies, it was the
first to discover New-Holland, now better known as Australia, by Willem
Janszoon in 1606. Janszoon didn’t completely realize what he discovered
as he thought it was just a part of New-Guinea. Multiple Dutch explorations
followed the coast, but the violent interaction with the aboriginals
and the lack of fertile lands prevented the establishment of colonies. Colonization
of Australia occurred only in 1770, after the Brit James Cook
landed on the east coast and founded Sydney.
As nowadays our power ends already in Brussel, we only need a small
glimpse on the world map to see how far our power once reached as
can be seem in the picture above. From the Islands of New-Zealand and
Tasmania in Oceania, to Cape Horn and Easter Island in South America,
to the global cities of New York, Cape town and Jakarta around the globe.
They all were once controlled by the Dutch government. K
DE APPEL 21

COMMITTEE HIGHLIGHT
KIME
W.S.G. Isaac Newton has several committees that are relatively unknown. These
committees will be highlighted here by telling their story. From start to finish, with
all their highs and lows. This time the KIME will be featured.
During the yearly Kick-In, there are three
study related days. For Mechanical
Engineering, these days are organised by the
KIME, which logically is an abbreviation for
Kick-In Mechanical Engineering.
Every committee comes up with their own
unique name, and the name we came up
with for this year’s KIME was TurbulenCie,
the Dutch word for turbulence. This name
suited the committee well, as our start was
quite turbulent. Starting the committee with
only three members at the time, the road
ahead seemed to be quite tough. Luckily, we
managed to pick up another enthusiastic
member along the way, creating the perfect
group to organise the Kick-In.
In the following months, preparations were
22 DE APPEL
made. Even though you work closely with
overarching organisations such as the Kick-In
board, there is still a lot of freedom in how the
three faculty days are filled. For Mechanical
Engineering the first day was university
related, so we prepared student coordinators
to give talks and workshops about all systems
at the University. The next two days are the
so called ‘beundagen’, where the students
get to build some of the most ingenious
contraptions. In preparation for this, we
got to drive our great newton van all over
Enschede to pick up loads of bikes and wood.
It was quite interesting to see how many bikes
(working and broken) the average Mechanical
Engineering student has, with some even
having what seemed like their own little bike
repair shop. The broken bikes and wood were
put to good use as the students made catapults
and beverage trays on the first day, and what
were supposed to be cranes on the second day,
but unfortunately this was cancelled due to
rain. The cranes were substituted for bridges,
and the wood for spaghetti, to still give an idea
of building something with trusses. While the
rain was unfortunate, this still turned out to
be a fun activity in the end.
All in all, organising the faculty days was a
fun but also stressful experience. Fortunately
having an amazing group of people to organise
it with made this a lot more bearable. It was
great to see all the new students having a
good time with the activities that we as KIME
had the chance to organise.
On behalf of the committee,
Niels Winkelman (Secretary KIME 2023)

DE WIELEN VAN
W.S.G.
1 Februari 2023 was het dan
zover, W.S.G. verkreeg een
nieuw lid in de vorm van een
blauwe Volvo V70 stationwagen
uit 1997 met de oerdegelijke
2.5l 10v 5 cilinder. Net
zoals vele studenten maakte
ook zij de reis van het westen
naar het oosten om in het
mooie Twente te vertoeven.
Met vele imperfecties stond
ze binnen de kortste keren in
Enschede. Veel zin had ze hier
echter niet in, aangezien ze na
2 km, bij het tankstation, al
niet meer wilde starten. Toen
de daadwerkelijke reis moest
beginnen begaf de accu het.
Wie zijn wij? Wij zijn W.S.G., een groepje vrienden, dat in eerste instantie een interesse in golfen had, maar eigenlijk
ondertussen meer tijd hebben gestoken in het beunen aan auto’s. W.S.G. staat voor Welvaart Sabrage Golf. Dit
waren in het begin de waarden en activiteiten die wij als groep graag ondernamen. Ondertussen zou het misschien
toepasselijker zijn om ‘Wij scheuren graag’ te heten, hoe dan ook, het logo zit nu al op de auto.
Eenmaal aangekomen in het mooie Twente werden de eerste wilde ideeën al in de rondte geslingerd voor de roadtrip
naar Portugal. Zoals een kleurrijke spuitbeurt, een dakrek en onder andere een enorme toeter die op standje
gehoorschade kan. De naam Bertha werd bedacht en deze is ook gebleven.
Voordat het uitvoeren van deze ideeën kon beginnen moest er wat achterstallig onderhoud weggewerkt worden.
Het bleek dat Bertha niet alle liefde heeft gehad die ze nodig had, in haar laatste jaren bij een boer in Noord-
Holland. Op de brug bleek wel dat ze voor deze periode wel onderhoud dermate van een dealer heeft ontvangen.
Achteraf gezien gaat het advies om geen auto’s te kopen met foto’s op een boerenerf toch wel op. De remmen, de
banden, de velgen, de bougies, de bougieskabels, de bobine, de verdelerkap, de rotor, de startmotor, de carterventilatie,
de injector o-ringen, de accu, het contactslot, het luchtfilter, het benzinefilter, het interieurfilter, het oliefilter,
de olie, de bumperbrackets, de camber bolts zijn allemaal vervangen. Hiernaast is Bertha ook uitgelijnd en zijn de
achterveren vervangen voor heavy duty veren zodat wij haar goed konden beladen tijdens de vakantie, zonder de
standaard Volvo te zijn die op de grond ligt.
DE APPEL 23

Het idee van de Carbage run is om een originele auto te hebben en zo
een roadtrip af te leggen. De vereisten zijn een bouwjaar van onder de
2000 en een maximale prijs van €500,-. Wij hebben dit proberen uit
te voeren en tegelijkertijd geprobeerd een enigszins nette auto over te
houden zodat ook nog gewoon mee te rijden valt. Sommige auto’s tijdens
de Carbage run hebben namelijk wat plaatjes en spreuken op de
auto staan waar je buiten de Carbage run niet mee gezien wilt worden.
Bertha had eerst roest langs de dakrails, die gelukkig nog niet helemaal
doorgeroest was, welke wij gerepareerd hebben. Helaas hebben
wij tijdens de reparatie de lak van het dak beschadigd waardoor het dak
sowieso gespoten moest worden. Wij hebben er toen voor gekozen om
het geboorteland van Bertha te eren met een Zweedse vlag op het dak,
ook al is ze waarschijnlijk in België van de band gerold.
Tijdens de Carbage run heeft Bertha zich degelijk gedragen, ook al werd
zij minimaal 6 uur per dag misbruikt. Het enige wat er na dag één al
mee ophield was de bestuurdersdeur, waardoor de ramen niet meer
open gaan en de spiegels niet meer verstelbaar zijn. Helaas stond het
rechterachterraam toen op een kier, dus daar zit nu nog een duct tapeje
overheen. Gelukkig hadden we de airco laten bijvullen voor vertrek dus
warm hadden wij het in Spanje niet, echter was frisse lucht ver te zoeken.
De oplossing: met deuren open rijden.
Het leuke van het bezitten van deze auto is dat de auto meer aandacht
krijgt dan een Porsche en dat je eigenlijk wel weet dat je in een bijzondere,
maar rare auto rijdt. Bovendien is het heerlijk om niet voorzichtig
te hoeven zijn met de auto. Zo scheuren we altijd zonder te remmen
over drempels. Bertha weet dit altijd bijzonder comfortabel te trotseren.
Zijn er dan ook nadelen aan Bertha? Jazeker, ze slurpt erg veel voor hoe
langzaam ze is. Over de 5000 km durende roadtrip hebben wij gemiddeld
1 op 9 gereden. Dit was wat minder voor de portemonnee. Daarnaast
beschikt Bertha over zo weinig vermogen dat ondertussen, airco uit de
naam sportmodus heeft gekregen. Om deze sportmodus uit te breiden
en toch het idee te hebben van snel gaan, komt er in de toekomst een
uitlaatklep in de uitlaat zodat wij ook zonder demper kunnen rondrijden
en iedereen het geweldige 5 cilinder geluid kan horen.
24 DE APPEL

DE APPEL 25

26 DE APPEL

BERTHA BRENGT ONS SAMEN EN
SAMEN SLEUTELEN WIJ AAN BERTHA.
DE APPEL 27

WEIRD FOODS
In November 2024, the intercontinental study tour will once
again embark on an epic trip. This time, Japan and Thailand
will be visited. The culture in Asia is of course different than
we are used to in the Netherlands. Not only the culture,
but also the food. Here are some weird foods that we can
encounter (and possibly try) on our trip.
BY: ROGIER TIMMER,
Secretary & Commissioner of Research of the IC-tour committee
LARB MOTE DAENG (RED ANTS EGGS)
In Thailand, eating red ants eggs is business as usual. Larb mote
daeng, or red ants and ant eggs, is an exotic delicacy that surprisingly
tastes better than it sounds or looks. But only if you can just
conveniently forget that you’re scooping up a portion of ants’ eggs
onto your spoon! The food can be found in the street markets of different
cities
HON CHAI (FRIED SILKWORMS)
This one can be found in Bangkok, on one of its street markets or
little shops. Hon Chai, or fried silkworms are garnished with salt and
pepper and sometimes a type of sauce. Once fried, the silk worms
turn crunchy and greasy, while the flavor is sometimes described as
slightly bitter. The worms are prized because they’re rich in protein
and some believe that they have medicinal properties.
28 DE APPEL

FUGU (PUFFERFISH)
A delicacy in Japan that can only be produced by top trained chefs.
Fugu or Pufferfish, is acclaimed for its distinctive texture and its deliciousness,
whether raw, boiled, or fried. The fish contains toxins
in its liver and intestines; some people claim it is 200x more deadly
than cyanide. Since 2000, 23 people have died eating it. This is why it
can only be prepared by a trained and certified chef.
SHIRASU (LITTLE WHITE FISH)
Rich in protein, vitamin D, calcium and magnesium and good for your
health. Shirasu is a Japanese fish dish that can be eaten with bones.
They are less than 2cm in length, typically sardines, but can also be
the fry of herring, sweet fish, conger eel, or others. You can eat it raw
or boiled, depending on the region it is served in different ways. A
specialty in Kanagawa (just south of Tokyo) is the shirasu-don, which
is the shirasu on top of rice. The shirasu rice bowl should be a musttry
for people in that region.
DE APPEL 29

SETTLERS OF
BINAIRO PUZZLE
Up for a challenge? Solve the Settlers of Binairo puzzle! We will raffle off two prices
with Isaac Newton socks among all the entrants with the right answer. To join the
lottery, submit your solution through our Google Forms before the seventh of January
2024!
BY LEONIE HORST
SETTLERS OF BINAIRO PUZZLE
The uninhabited land of Binairo is still largely unexplored. In the map below, the land has
been divided into boxes and the known information is sketched.
From each box, either stone, water, wheat or dairy can be obtained if the value of the box is
1. If the value of the box is 0, no resources can be obtained. In the land of Binairo, each row
and column must contain 4 resources. Furthermore, more than two of the same numbers
cannot be horizontally or vertically adjacent (e.g. 1-1-1 and 0-0-0 are forbidden). Rows and
columns do not have to be unique.
Once the resources are located, three new storages will be built in the country. Ten possible
places are considered, indicated by A-J. A storage can only be built at the intersection
of the boxes. At the storage, all resources are gathered from the four surrounding boxes,
as well as their adjacent boxes of the same color. For example, at storage K, the amount of
resources gathered are 0 stone, 3 water, 0 wheat and 2 dairy units. At L, we get 3 stone, 3
water, 2 wheat and 0 dairy. When building storage posts on K and L, the resources obtained
sum up to 3 stone, 6 water, 2 wheat and 2 dairy.
Of the ten marked possible storage posts, which three posts have to be built to obtain 6
stone, 8 water, 3 wheat and 5 dairy units?
EXAMPLE
1 0 1 0 1 0 1 0
1 0 1 1 0 1 0 0
K
0 1 0 0 1 0 1 1
0 1 0 1 0 1 1 0
1 0 1 0 1 0 0 1
0 1 0 1 0 1 0 1
0 1 0 1 0 1 1 0
1 0 1 0 1 0 0 1
L
Note: There is more than one way to locate the resources, but the favorable storage post
laces are unaffected by this!
A
D
1 0 1
B
0 1 0
STONE
E
0 0
C
WATER
F
WHEAT
I
G
H
0
DAIRY
1
J
1 1
Submit your answer
here for a change to
win a prize!
0 1 0 1
30 DE APPEL

ANSWER HORST TOWER
PUZZLE
from edition 45.3 Nature vs Nurture
Here are the answers to the puzzle of the last edition. The two winners,
Matthijs Knol and Henryk van den Brink, have been contacted and you might
spot them in brand-new Newton socks!
Horst tower puzzle
Architects are planning on placing 35 more towers on our campus. They have the following
number of storeys: 8, 9, 10, 11, 12 and 13. There is only one tower of a certain height in each row
and column. The numbers on the north, south and west sides represent how many towers can be
seen from that direction - you cannot see a tower with a lower number of storeys behind a taller
one. How many towers can you see from the east of the new campus?
ANSWER
The following abbreviations are used: Ri is the i th row from the top, Ci the i th column from the
left. Furthermore, Ti refers to a tower of i storeys.
THE WINNERS OF
THE HORST TOWER
PUZZEL
Step 1: Locating 13-storeys towers
The starting point is C2: the towers need to be in ascending order from R6 to R1. Furthermore,
there has to be a T13 at C1R2, as it’s the only visible tower from the West. Using the rule that
there is only one tower of a certain height in each row and column combined with the information
on the number of visible towers from the west, east and south, all T13s can be located.
Step 2: Locating 12-storeys towers
The tower at C5R1 has to be T12 in order to see just two towers from the North. Furthermore, to
see three towers from the west at R3 and comply with the ‘unique in row and column’, the T12
in R3 has to be at C6.
Step 3: Seeing five towers from the North
C3 has to be in ascending order from R1 to
R5. Given that R3 already contains an 11-storey
building, C3 can only be ascending if
C3R3 is T10. This automatically places the T8
and T9 in C3R1 and C3R2. T12 is placed at R4C3
to see just three towers in R4. This allows
for completing C3.
Step 4: Finishing the puzzle
T12 of C4 can only be placed in R5, which
means all 12-storey towers can be placed. At
C5R5, T8 is the only option to comply with
the west and north skyline views. This in
combination with the ‘unique in row and
column’ and the number of visible storeys
from the north, west and south leads to the
final cascade which, by eliminating the options
per box, allows to deduce the number of
towers that can be seen from the east. a
West
North
5 3 2
10/11 13 8 9/10 12 9/10/11 3
1 13 12 9 11 10 8 5
3 8 11 10 13 9 12 2
4 9 10 12 8 11 13 1
2 10/11 9 13 12 8 10/11 3
12 8 11 9/10 13 9/10 2
6 2 3 3
South
Towers that
can be seen
East
DE APPEL 31