MICHIGAN

43
California Polytechnic State Univ-SLO
Cal Poly Racing
44Clemson Univ
Clemson Formula SAE
Cal Poly Racing is proud to present our 2016 competition racecar.
The hybrid-monocoque chassis is built around a Yamaha YFZ-450R engine.
Power is transferred to the wheels via chain drive, through a Drexler limited slip
differential. Billet aluminum uprights connect the 13” wheels to a double A-arm
suspension setup. Pushrod actuation in the rear and pullrod actuation keeps the
car balanced and tunable. Improved aerodynamics keep the car planted to the
ground. A MoTeC advanced data acquisition system has allowed the team to push
the car to its limits, while a professional grade electronics system has improved
vehicle reliability. Stopping the car are four outboard Brembo brake gripping
custom ductile-iron rotors.
This vehicle represents the hard work of a multidisciplinary team consisting of
Mechanical, Aerospace, Electrical and Computer Engineers.
We would like to thank our sponsors, especially TenCate, Next Intent, SpaceX, Buttonwillow
Raceway, C&D Zodiac, BMRS, Airtech International, Graves Motorsports,
Yamaha, and the Cal Poly Mechanical Engineering Department. Without them this
vehicle would not have made it off paper.
Tiger18 represents an evolution of Tiger17 from last season. Components have
been optimized in their functionality and performance. Emphasis has been placed
on data acquisition and analysis to fortify engineering decisions. A new 3D printed
carbon fiber intake with unequal runner lengths was designed by correlating
engine dyno data with a Ricardo WAVE simulation and strain gauges were placed
on suspension members to determine the optimum thickness for A-arm tubes.
The biggest addition this year is CUFSAE’s first downforce device: a diffuser. It is
the product of the second year in a three year aero package development plan.
The first year was concerned with manufacturing of composite parts and basic
aerodynamic knowledge building. The diffuser represents culmination of months
of research and design, several hundred hours of CFD.
With these improvements, Clemson hopes that Tiger18 will help the team reach a
top 20 finish.
BRAKE : Dual Tilton MC, 4x Brembo caliper, floating
ductile iron rotors
BSCD : 95mm/63.4mm/1cyl/449cc
COOLING : Single side mounted radiator
DRIVE : Chain, Drexler LSD
ELECTRONICS : MoTec M400, MoTec ACL, custom
CAN input modules and power distribution module
ENGINE : Yamaha YFZ450R
FR/RR TRACK : 1194mm / 47" Front, 1168mm / 46"
Rear
FRAME : Hybrid frame, carbon-fiber driver
FUEL SYSTEM : Russell lines, fittings, regulator; single
port fuel injection
FUEL TYPE : 100 Octane
MATERIAL : Carbon-fiber prepreg, Aluminum honeycomb,
4130 steel
MPD : 10000 RPM
MPT : 6500 RPM
OLWH : 3035mm/120" L, 1380mm/54" W,
1233mm/49" H
SUSPENSION : Unequal-length A-arm, pullrod front/
pushrod rear, billet aluminum upright
TIRE : 13" Hoosier R25B
UNIQUE : Front/rear wings, diffuser, custom dashboard
display
WEIGHT : 250kg / 550lb
WHEELBASE : 1575mm/62"
BRAKE : AP Racing calipers, Tilton master cylinders,
floating T-410 SS rotors
BSCD : 67mm x 42.5mm / 4 cylinders / 599cc
COOLING : Single side mounted radiator with thermostatic
controlled electric fans
DRIVE : Chain, 520, Quaife/Taylor Race Torsen ATB,
4:1 torque bias
ELECTRONICS : Custom Arduino Dash, Motec M150
ECU
ENGINE : CBR600RR
FR/RR TRACK : 48 in / 46 in
FRAME : 4130 Chromoly Steel Tube
FUEL SYSTEM : Honda Stock PGM-FI
FUEL TYPE : 93 octane
MATERIAL : Custom carbon fiber nosecone, sidepods,
and body panels
MPD : 10500
MPT : 7700
OLWH : 106.7in x 56in x 42.7in
SUSPENSION : Double unequal length A-Arm. Pull rod
actuated spring/damper. Adjustable/re
TIRE : 20.5 X 7.0 - 13 R25B Hoosier
UNIQUE :
WEIGHT : 575
WHEELBASE : 61.5 in
United States
United States
38 Information published as supplied by teams on or before March 15, 2016 with minimal editing.