G110 Micro Heading Lock Gyro Instruction Manual - MR ...

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G110 Micro Heading Lock
Gyro Instruction Manual
Tle G110 Micro Heading Lock Gyro's small size
(25 x 25 x l6mm) and low weight (11.0 grams, including leads
and connectoE) make il an ideal choice for a wide variety of
micro and mini class electric helicopter models. With leatures
like analo0 and digital seryo support, optional dual remote
gain adiustmenl and heading lock or standard rate mode
selection @pabilities, it otfers locked-in lail performance
and adiustability perfect forthe sportand 3D pilot alike.
When installing the G1 10, it is typically best to first refer
to your helicopterb jnstruction manual for suggestions ot
the location in which it should be mounted on the model.
lf no suggestions are available, choose a solid location
free lrom vibntion, in line with the yaw ais ofthe model.
Also, be sure to keep lhe gyro away from heat-generating
sources {like the motor and ESC) and other electronics.
When mounting the Gl 10, be sure the side ol the gyro
with the label is mounted vertically on the model (parallel
to the main shaft). The sides otthe gyro withoutthe leads
and switches are the top and bott0m respectively. Also,
be sure to position the gyro so you can easily access the
oain setting adiuslment pot (il not using the remote gain
adiustment option), reversing and seryo mode switches.
once you have found a suitable location, use a small amount
of isopropyl alcohol to clean the mounting area and gyro
where the foam mounting tape will be attached. Then,
use the included foam mountinq lape lo mountthe gyro
securely on the model. lt is important0 use foam mountinq
tape only, as it helps to preventvibration from adversely
affecting the perlomance and operatino lile ol the gyro.
onry)
After installing your chosen seryo on the model, it will be best
ll you will nol be utilizing the dual remote gain adjustment
to center the seryo electronically using an open channel befote
and mode selection option to control gain values and mode
installing the seryo arm and connectino the seryo to the G1 10.
type from an auxiliary channel on the transmitter, itwill only
once you have centered the seryo electronically, choose a seruo
be necessary to connecthe rudder channelead ol the gyro arm that allows the tail rotor pushrod linkage or linkage ball to
Ithe connector with three wire leads) to the rudder channel
be positioned approximately 8-l1mm (typicalorT-REX 450
on the receiver You will not need to connecthe auxiliary
and similar models) from the center of the seryo's output gear/
channelead ofthe gyro (the conneclorwith one wire lead)
shaft. Then, install the seruo arm on the seryo, ensuring it is
perpendicular
to the receivel howeve[ be certain to secure it s0 it cannot
to the tail roto. pushrod linkage when in the
come into contact with any moving parts on the helicopter
centered/neutral position. AIso, be sure to remove any unused
portions ofthe seryo arm to prevent any binding or obstruction.
With iustthe rudder channelead ol the gyro @nnected
to the receiver, the Oyro will operate in heading lock
mode only. The gain value will then be adjusted using
the qain setting adiustment pot located on the 0yro.
Dual Mode Conneclions
(Heading Lock and $taütant naE hrode)
lf you have chosen lo utilize the dual remote gain adjustment
and mode selection option to control gain values and mode
type from an auxiliary channel on thetransmitter, itwill be
necessaryto connecthe rudder channelead of the gyro (the
connectorwilh three wire leads) to the rudder channel on
the receiver, and the auxiliary channelead ofthe gyro (the
connectorwilh one wire lead) to the channel 0n the receiver
that will be used for controlling the gyro from the transmitter
For most.adio systems, it will be beslto connectthe auxiliary
channelead ot the oyro lo chanf,el 5 (also known as the gear Atter installing the tail rotor pushrod linkage on the lail seryo
channel) on the receiver, ensuring the yellow wire lead is ori€nted
arm, and ensuring the lail seryo is still centered electronically,
properly and plug0ed into the "signal" pin 0n the receiver
adjustthe length ol the pushrod so the tail pitch slider is centered
on the tail rotor shatt. between the tail case and tail hub.
With both the rudder channel and auxiliary channeleads of
the gyro connecled to the receiver, the gyro can be opented
in eitherthe headino lock or standard rate node. Mode
selection and gyro gain settings will then be adiusted using
the chosen auxiliary channel on the transmitter, and the gain
settino adiustment pot lo&led on the gyro will be disabled.
Selection 0f a suitable tail seryo is critiEl for obhining
mdimum performance from the gyro. A seryo with quack
tansittimes (.15 sec/60'orfaster) is prelered, and
will allow the G110 to perform to its full potential.
We suggest using lhe following seryos in
their recommended applications:
. E-flite@ 560 Super Sub-iricro Seryo (EFLRS60)
- For sub-micro and micro helicopters
. E-flite S75 Sub-Micr0 Seryo (EFLRS7s)
once the tail seryo, seryo arm and linkaoe have been installed
- For micro and mini helicopters
on the model, it will be necessary t0 connectthe seryo t0
. E-flite DS75 Digital Sub-Micro Seryo (EFLRDS7s) lhe G1 10. Connect the seruo lead to the seruo conneclion
-
on the gyro (the lhree pins exiting the gyro case), ensurin0
For micro and mini helicopters
proDer orientation and polarity dhection ofthe wire leads
. JR 3500G Mini Digital Heli Gyrc Seryo (JRPS3500G) by following the markings on the label ol the gyro:
- For mini helicopteß
S = Signal wire lead connection location
. SpeKrum* Dsmo Digital Programmable super sub-Micro + = Positive wire lead connection location
Seryo (SPlvlDSP60)
- = Ne0alive wire lead connection lo@tion
For sub-micro and micro helic0pters
. Spektrum DSP75 Dioital Programmable Sub-Micro Seryo
(sPMDSP75)
- For micro and mini helicopters
Strndaflt (STD) Seno Mode
lf you are using an analog seryo (like the EJlite S75), be
sure the seruo mode switch located on the side ofthe gyro
as set to the standard (STD) position forthe best possible
perlormance. lf it is setto the digital seruo (DS) position,
the analog seryo may not opeEte correctly and/or will be
damaoe due to the high frame rate output ol the gyro
when it is in the digital seryo mode. D0 nol use anal0g
selvos wilh lhe gyro sel l0r digital seruo mode.
oigilal (DS) Seilo Mode
lfyou are usin0 a dioilal seruo (like the JR 3500G or Spektrum
DSP75), be sure the seruo mode switch loüted on the side 0f
the gyro is set to the digital seryo (DS) position f0rthe best
possible performance. In the digital seruo mode, the gyro
sends inputs to the seryo at a much hioher rate than when in
the standard seryo mode lor added performance and holding
power However, you must be sure t0 use a diqital seryo tnat
is capable 0f handlin0 an input pulse rate ol 275H2 or higher
(like JR and similar digital servos), or the seruo will not opeEte
correctly and/orwill be damage due to the high frame rate
output ol the gyro when it is in the digital seryo mode. D0 nol
use digilal seruos that cannot handle an input pulse
6te 0l at least 275H2, 0r analog seruos, with the
gyro sol 101 digilal seno mode. Always consult the
manulaclnlel of y0[] chosen digilal s81v0 l0 c0nlim
whether il can handle an input prlse ßle ol 275H2.
Atter completing installation and connection of the G110
and tail seruo on the model, please proceed with conlirming
the lollowino initial settings in your tnnsmitter:
. Set the rudder channel lrim and
sub-trim (il available) t0 neutral.
. Disable and inhibit any torms 0f Revolution (Revo) Mixing.
once you have confirmed the initial settings in the
transmitter,
will be necessarylo power up and
initialize the gyro belore proceeding wilh some of
the following setup and adjustment steps:
. Powerthe lransmitter on first.
. Then, powerthe receiver and gyro on.
. Atler powering on the receiver and gyro, make
sure you do not move or swaylhe model and
allow il to remain motionless until the red LED on
the gyro illuminatesolidly, indicatino the gyro
has initialized properly and is ready for use.
llole: ll is extlemely impoilant you d0 nol moye 0r
sway the model aflor p0we1in0 on lhe gyn and beforo
il initializss. The gym musl be allowed adoqüate timc
l0 rccold the neulral position in 0rd01 lo initialize
101 propor oporali0n. ll yor accidenlally m0y0 lhe
model alter powering lhe gyro 0n, and before il ha$
initialized, poser the modol off and lepeal lhe process
t0 power lho model 0n and inilialize lhe gyrc p10pe]ly.

ll you have chosen to utilize the dual remote gain adjustment
and mode selection option to control gain values and mode
type from an auxiliary channel on the transmitter,
will now
be necessary to contirm how to select and adjusthe heading
lock or standard nte modes from yourtransmitter lf you
have chosen nott0 utilize this option, please skip t0 the next
section, as the 0yro will always be in the heading lock mode.
With the transminer, receiver and gyro powered on, enler the
kansmitter's travel adjustment function {also known as ATV
or EPA). lf, however you are using a specialized program
within your transmitterlor conkollinq the gyro (like gyro
sensitivity or similar), enter into that particularfunction.
Scroll to the channel being used to control the gyro. This
will be the same channel into which you have plugged
the auxiliary channelead ol lhe gyro Into the receivei
Then, using the selected channel! switch on the transmitter,
loggle the switch back and forth in 0rder to identify the
switch position for each gyro mode. When the gyro is in
heading lock mode, you will find the tail seryo will not return
to the n€utnl position aftera rudder input is given. When
the gyro is in standard rate mode, the tail seryo will always
return to the neutral position after a rudder input is given.
Typically, you will lind when the swilch is toggled to the
positive position (+), the gyro will be in the heading lock
mode. Then, when the switch is toggled t0 the negative
position t), the gyro will be in th€ standard nte mode.
once you have identified the switch position lor each
mode, note you will be making gain adiustments to
the selected mode by changing the tnvel adjustment
(ATV/EPA) value for its given switch position.
Single Mode (Heading Lock Mode Ulil
When utilizino the single mode option (heading lock mode
0nly), you will make adjustments to the gyro gain valüe by
using the gain sening adiustment pot located on the Oyro
itself. use a small tlat blade screwdriver and extreme care (to
prevent damage to the pot) to adiustthe position ofthe pot.
When the pot is in the fully counterclockwise position t), the
gain value will be approximately 0%. When the pot is in the full
clockwise position (+), the oain value will be approximately 100%.
We suqgest a settinq ol approximately 50% (pot in the middle
position) tor the firsttest llight atler installing the gyro.
Itual M0de (fleading Lock or Standad ßate lltode)
When utilizing the dual mode option (heading lock or standard
rate mode selectable), you will make adjustments to the gyro
gain value in each mode remotely from the transmitter, using
the auxiliary channel yo0 have selected for gyro control.
Dependin0 on the transmitter and channel used to control the
gyro, you may have the abilityto set the travel adiustment (ATV/
EPA) value from 0% to approximately 100%, or even up to
150%. This is not a problem, as long as you note the maimum
valueyou can set lortravel adiustment will equal an actual
gain value , of 100% for the Oyro. In th€ case of a transmittel
and anq channel cnannel
that tnal allows ailows Vou you to t0 setthe setfie travel adlustmenl value
up to 150%, you will achieve approximately 50% gyro gain
value at alravel adjustment value of 75%, and approximately
100% oyro gain value at atravel adiustment value of 150%.
We suggest setting the gyro gain value t0 approximately
50o/" in both the heading lock and standard rate modes
for the first testflight after installing the gyro.
It will now be necessaryto confirm the tail seryo and gyro are
operating in the correct directions lor proper control. Firet, refer
to the instruction manual included with your helicopter model
tor information regarding the direction in which the tail seruo
should respond to rudder inpuls for proper control response.
After conlirming the tail seryo is responding in the correct
direction to rudder inputs, you will also need to confirm the
gyro is responding properly to movements of the helicopter,
whil€ providing proper inputs to the tail seryo in order to
counteracl any unwanted chanoes in yaw To d0 this, view the
seryo arm (from the top ofthe seryo) and note the direction the
arm moves (clockwise or counterclockwise) when you give a
right rudder input on the tnnsmitter (while the model remains
motionless). Then, yaw the nose ofthe helicopter quickly to
the left, while again noting the direction the tail seruo arm
moves. The arm should move in the same direction as it did for
a right rudder command, helping to countemctthe lett-hand
yaw movement 0Ithe nose. If the arm moves in lhe opposite
direction, switch the reverse switch located on the side ol the
G110 to its opposite position. Then, repeatthe sleps above to
confirm the gyro is now openting in the correct direction.
When in heading lock mode, the tail seruo arm may 'creep" or
move while the model remains motionless, and with no rudder
input from the transmitter This movement is normal, but can
be minimized by adjusting the sub-trim (preferred, if availabl€)
ortrim value 0f the rudder channel in/on yourtnnsmitter Use
the sub-trim function ortrim lever on the transmitterto add a
lett or right value to the rudder channel. Then, re-center the tail
seryo arm with the control stick and watch forany additional
movement. Add or reduce the sub-trim ortrim value as needed
until the tail seruo arm moves as little as Dossible when near
the neutral position. In general, only a small amount ol subtrim
ortrim adjustment will be required in orderto minimize
movement ofthe tail seryo arm (and"drifting" of the nose/tail ol
the helicopter model in flight), and some very slow movement
that may still remain after making the adjustments is normal.
once you have completed installation and setup of the
G1 10, it will be necessary to conductest flighls in order
to identify any settings that must be adjusted so that you
can obtain maimum performance ofthe gyro. Be careful
when conducting the initial test flight, however, taking your
time to ensure the gyro and tail seryo are responding and
perlorming properly before lifting the model into the aiL
Aain Adjustnenß
During the test flight(s), establish a slable hover and apply some
short and quick rudder inputs while obserying the reaction
ofthe tail when the control stick is returned to its neutral
position. ll there is any tendencyfor the tail to twitch quickly
(oscillate) from side to side, it will be necessary to lower the
gyro gain value. You can d0 this by adjusting the qain setting
adiustment pol on the gyro itself counterclockwise a small
amount (if usinO the sinqle mode option), or remotely from the
transmitter by reducing the travel adjustment (ATV,GPA) value
for the gyro control channel (it using the dual mode option).
Th€ goal, when in heading lock mode, is to tind the highesl gyro
gain value at which the tail 0fthe helicopterwill not oscillate in
all areas offlight, including fast forward flight and descents.
lf you are using the dual mode option, you will also need to
adiusthe gyro gain value forthe standard rate mode. In this
mode, tne amount ol gyro gain value required will typically
depend most 0n the flying style and preference ol the pilot.
lail Linkage antt Pushtod Adiustnenß
lf, after conductinq testfliqhts, you find the gyro gain value cannot
be set high enough to cause some oscillation ot the tail (even at
the highest setting), it will be necessry to adjustthe position ot
the tail rotor pushrod linkage on the tail seruo arm. In this case,
you will need to move the linkage farther out trom the cenler of
the seryo's output gear/shaft (by approximately 2mm to start).
lf you find the gyro gain value @nnot be set low eßough to
prevent oscillation ol the tail {when nearthe lowest setting),
it will be necessary to adiust the posilion of the tail rotor
pushrod linkage 0n the tail seruo arm. In this Bse, you will
need to move the linkaoe closerto the cente. ofthe seruo's
outpul gear/shatt (by approximately 2mm to start).
lf you are using the dual mode option, and will be swilching
between th€ heading lock and standard nte modes during flight,
it is best t0 mechanically adjust the tail rotor pushrod length so
there is not a sionificant dilference in the ruddertritrVsub-trim
values required in each mode for the best performance. This
can be accomplished byflying the model in the standard rale
mode and adiustino the lenoth of the oushrod so the nose^ail of
tfe model stays as;traight;s possibie. with no rudder input or
rudder tritrVsub-trim values that are signifi@ntly differenttha0
those set for optimum performance in th€ heading lock mode.
Buddet tuin Adiusttneils
During flight, it may be necessaryto make some small
adjustments to the ruddertrim positiorwalue in order to help
preventlhe nose/tail ol the model from'd.ifting" to the left or
righl when the rudder slick is in the neutnl position. Typimlly,
0nly a small amount 0fadjustment may be necessary.
Aulder lnret Adißt nenb and Exponential
By increasing or decreasing th€ left and righttnvel adiustment
(AW/EPA) values lorthe rudder chaonel in yourtransmittet
you can adjustthe rate at which the model will pirouette when
a full rudder input is given and held, and responds to rudder
inputs in general. You can also furtherfine-tune response of
the tail around neutral by increasing or decreasing the amount
of exponential (if available) used for the rudd€r channel.
lenpenlurc and Enürcnmenlal Conditions
It is always best to avoid sudden temperature and environmental
condition changes when using a gyro. For example, it is best to not
fly a model on a very hot day immediately afler removing it from an
air-conditioned vehicle. lt is also bestto keep the Oyro out of direct
sunlight and away from any heat-generating sources on the model.
To help the gyro betteradapt to temperature and environmental
conditions at the flying field, it is best to letthe model
stand for approximately 10-15 minutes belore flying,
allowing the temperature inside the gyro to stabilize.
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userb responsibility lo dispose ol lheir waste equipment by handino it over
to a desionated colledion point lor S€ rccycling of wasie electiml and
€lectonic equipnent. The separate colledion and recycling of your wasle
equipment at the lime ol disposal will help to conseru€ natural resources
and ensur€ thatitis rerycled ina mannerlhal protectshuman heallh andlhe
envfonment. Formore inlormation aboutwher€ you mn drop offyourwaste
equjpmeni for rerycling, please conbctyour local city oflice, your household
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