FSAE Design Spec Sheet
-- Note: SI units
Competitors please replace the sample specification values in the table below with those appropriate for your vehicle and submit this to with your design report. This inform event. --Please do not modify format of this sheet. Common formatting will help keep the judges happy! --The sample values are fictional and should not be used as the baseline for your designs.
Car No.
95
School
University of Wisconsin - Plattev
Dimensions Overall Length, Width, Height
Front 2705mm long, 1321mm wide, 1156mm high
Wheelbase
1600mm
Track Width
1143 mm
Weight with 68kg driver
124 kg
Suspension Parameters
Front
Suspension Type
Double unequal length A-Arm. Push rod actuated parallel coilover spring and damper 20.0x7.0-13 R075 Goodyear 7 inch wide, 3 pc Al Rim, 25.4mm pos. offset 304 mm above ground 32mm jounce/ 32 mm rebound 38 N/mm 0.614 degrees per g 3.69 Hz 70% of critical damping at X mm/sec 90% of critical damping at X mm/sec 1.0 / linear 187 deg / m 4 deg / deg 0.5 deg toe in -1 de deg, adj. via sh shims on on up upright mount 8 degrees adjustable +/- 1 degree 2 degrees non-adjustable 50mm offset, 38mm trail 115% non-adjustable 0% 70mm above ground
Tire Size and Compound Type Wheels (width, construction) Center of Gravity Design Height Suspension design travel Wheel rate (chassis to wheel center) Roll rate (chassis to wheel center) Sprung mass natural frequency Jounce Damping Rebound Damping Motion ratio / type Camber coefficient in bump (deg / m) Camber coefficient in roll (deg / deg) Static Toe Static ca camber an and ad adjustment method Front Caster and adjustment method Front Kingpin Axis Kingpin offset and trail Static Akermann an and ad adjustment method Anti dive / Anti Squat Roll center position static Roll center position at 1g lateral acc Steer location, Gear ratio, Steer Arm Length
Front steer, 25mm c-factor, 62mm steer arm
Brake System / Hub & Axle Rotors
Master Cylinder Calipers Hub Bearings Upright Assembly Axle type, size, and material
Front Fixed , hub mounted, 10" dia. X .25" wide, cross drilled, 1020 steel APRacing 3/4" bore front and rear with driver adjusta 1.75" dia., dual piston, fixed mtg Opposing tapered single row roller bearings CNC 6061-Al, integral caliper mount Fixed spindle, 30mm dia, 1020 steel
Ergonomics Driver Size Adjustments Seat (materials, padding) Driver Visibility (angle of side view, mirrors?)
Fixed seat and steering wheel with adjustable pedal tr Fiberglass CSM and Kevlar cloth construction w/ foa 220 degrees side visibility
Shift Actuator (type, location) Clutch Actuator (type, location) Instrumentation
Cable actuated via handle on left side of cockpit cable actuated in conjuction with shifter via handle Digital readout in dash with warning lights
Frame Frame Construction Material Joining method and material Targets Targets (Torsional Stiffness or o ther)
Complete Tubular space frame 4130 chro-moly alloy steel tubing 1.0" Dia .049" to .0 TIG welded using ER70-S filler 1800 lb-ft/deg torsional rigidity, 65 lb bare frame wei
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Torsional stiffness and validation method Bare frame weight with brackets and paint Crush zone material Crush zone length Crush zone energy capacity
1829 lb-ft/deg verified in Algor 67 lbs LAST-A-FOAM® FR-6706, a closed-cell polyuretha 434 mm Dynamic Test-7980 Joules
Powertrain Manufacture / Model Bore / Stroke / Cylinders / Displacement Compression ratio Induction Throttle Body / Mechanism Fuel Type Max Power design RPM Max Torque design RPM Min RPM for 80% max torque Fuel System (manf'r, and type) Fuel System Sensors (used in fuel mapping) Fuel Pressure Injector location Intake Plenum volume and runner length(s) Exhaust header design Effective Exhaust runner length Ignition System Ignition Timing Oiling System (wet/dry sump, mods) Coolant System and Radiator location Fuel Tank Location, Type Muffler Other significant engine modifications
Yamaha Y ZF-R6P 65.5mm bore / 44mm stroke / 4 cylinder / 599 cc 13.5:1 Naturally Aspirated Custom 32mm Butterfly Throttlebody E-85 10500 9000 7500 Student built Megasquirt Fuel injection system, batch Throttle Position, Oxygen, Crank position, MAP, IAT 3 bar 167 mm before and pointing toward back of intake va 2260 cc, 18.41cm runners (4) 35mm ID runners into (1) 50mm collector equal length 500 mm (+/-7mm) Student des/built, wasted spark system 3-D map, RPM based, 22 deg BTDC max advance Wet sump, special cast aluminum pan (shortened dept Single Side pod mounted Radiator, with High Perfor Side Mounted between firewall and engine, stainless Stock Sportbike style muffler , 4200cc volume High Compression Pistons, Camshaft reground with l
Drivetrain Drive Type Differential Type Final Drive Ratio Vehicle Speed @ max p ower (design) rpm 1st gear 2nd gear 3rd gear 4th gear 5th gear 6th gear Half shaft size and material Joint type
520 o-ring Chain Cam and Pawl 4:1 84 mph 33 mph 49 mph 61 mph 71 mph 79 mph 88 mph 1.5 in. O.D x 1.26 in. I.D. hollow steel shafts Prototype CV Joint
Aerodynamics (if applicable) Front Wing (lift/drag coef., material, weight) Rear Wing (lift/drag coef., material, weight) Undertray (downforce/speed) Wing mounting
N/A N/A 41.4 lbs at 35 mph, verified with CFDesign N/A
Optional Information Body Special Bit A Special Bit B
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2010 ation will be reviewed by the design judges and may be referred to during the des ign
lle Rear
1168 mm 137 kg Rear
Double unequal length A-Arm. Push rod actuated coilover spring and damper 20.0x7.0-13 R075 Goodyear 7 inch wide, 3 pc Al Rim, 25.4mm pos. offset 32mm jounce/ 32 mm rebound 48 N/mm 4.61 Hz 65 % of critical damping at X mm/sec 85 % of critical damping at X mm/sec 1.0 / linear 187 deg / m 4 deg /deg 0.75 deg toe out -1 deg, adj. via shims on upright mount
0% 76mm above ground
Rear Outboard, fixed, hub mounted, 10" dia x .25" wide, cross drilled, 1020 steel ble bias bar 1.75" dia., dual piston, fixed mtg Opposing tapered single row roller bearings CNC 6061-Al, integral caliper mount Rotating axle, 19mm OD solid 4140 steel annealed and Ion Nitride treated
ay and headrest inserts
95" wall thickness ht (with brackets and paint)
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e foam
injection
lve
h), custom oil baffling plates ance electric fan teel tank onger duration and less overlap for E85
t
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