FSAE Design Spec Sheet
2004
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 information will be reviewed by the design judges and may may be referred to during the the design event. --Please do not modify format of t his sheet. Common formatting will help keep the judges happy! --The sample values are fictional and may not represent appropriate design specs.
Car No.
###
School
Speedy University
Dimensions Overall Length, Width, Height
Front Rear 92 inches long, 50 inches wide, 52 inches high
Wheelbase
72 inches
Track
34 inches
33 inches
W eight with 150lb driver
305 lbs
345 lbs
Suspension Parameters
Front
Rear
Suspension Type
Double unequal length A-Arm. Pu Push rod Double unequal length A-Arm. Direct acting actuated horizontally oriented spring and spring and damper damper Tire Size and Compound Type 20x7.5-13 R25A Hoosier 20x9-13 R25A Hoosier W heels 8 inch wide, 3 pc Al Rim, 2 inch neg. offset 9 inch wide, 3 pc Al Rim, 3 inch neg. offset Design ride height (chassis to ground) 1.0 inches 1.3 inches Center of Gravity Design Height 9.5 inches above ground Suspension design travel 1.2 inches jounce/ 1.2 inch rebound 1.4 inches jounce/ 1.2 inch rebound W heel rate (chassis to wheel center) 146 lb/in 170 lb/in Roll rate (chassis to wheel center) 3.14 degrees per g Sprung mass natural frequency 4.46 Hz 5.32 Hz Jounce Damping 90% of critical damping at at X in/sec 58 % of critical damping at X in/sec Rebound Damping 62% of critical damping at at X in/sec 50 % of critical damping at X in/sec Motion ratio 0.48 0.54 Camber coefficient in bump (deg / in) 1.31 deg / in 1.01 deg / in Camber coefficient in roll (deg / deg) 2.62 deg / deg 2.62 deg /deg Static To Toe an and ad adjustm stment me method 0.125 in inch toe ou out vi via ad adj st steering lilinks 0 to to 0. 0.25 in inch toe in in vi via adj adj toe lilinks Static ca camber an and ad adjustment method -1.5 de deg vi via sh shim plates on on A-arm -0.5 de deg vi via shim plates on on up upright Fron Frontt Cast Caster er and and adju adjust stme ment nt met method hod 13 degr degree ees s nonnon-ad adju just stab able le Front Kingpin Axis 2 degrees non-adjustable Kingpin offset and trail .8 inches offset 0 inches trail Stat Static ic Aker Akerma mann nn and and adj adjust ustme ment nt meth method od 110% 110% non-a non-adj djust ustab able le Anti dive / Anti Squat 0 -0.31 Roll center position static 2.2 inches above ground 1.2 inches above ground Roll Roll cent center er posi positi tion on at 1g lat lateral eral acc acc 2.4 2.4 inc inche hes s abo above ve grou ground nd,, 3. 3.1 inc inche hes s tow towar ard d 2.0 inches above ground, 1.2 inches toward unladen side laden side Steer location, Gear ratio, Steer Arm L ength Front steer .5 inches below upper A-arm, 25mm c-factor, 62mm steer arm Brake System / Hub & Axle Rotors Master Cylinder Calipers Hub Bearings Upright Assembly Axle type, size, and material
Front Rear Floating, Cast Iron, hub mounted, 8 inch 2024 Al, Coated, Differential mounted, 10 dia. vented inch dia. Driver adjustable mechanical bias bar .87 inch bore front .75 inch bore rear 1.5 inch dia., Opposing piston, fixed mtg Dual piston,1.0 inch dia., floating Tapered roller bearings. Se Separate spring Single 5205 dbl row ang contact bearing loaded rubber lip seal with integral seal CNC 7075-Al, integral caliper mount W eldment, 4130 sheet, heat treated, shot peened Fixed axle, 1.125 inch dia, 4130 steel Rotating axle, 1.25" ODx 0.190" wall, 4340 normalized steel, RC 40
Ergonomics Driver Size Adjustments Fixed seat and steering wheel. Pedals adjust fore and aft aft 3 inches Seat (materials, padding) Wet lay-up carbon, padded lumber and knee protection, 3" foam head support Driver Visibility (angle of side view, mirrors?) 210 degree side visibility, 2"x4" side mirrors rigidly mounted to nose Shift Actuator (type, location) Clutch Actuator (type, location) Instrumentation 178060149.xls.ms_office V1
Manually actuated lever/ linkage, right side cockpit mount Foot pedal, cable actuated Dash mounted temp/oil gauge, 5 LED tach/shift light 1
10/6/2013
Frame Frame Construction Material Joining method and material Targets (Torsional Stiffness or other) Torsional stiffness and validation method Bare frame weight with brackets and paint Crush zone material Crush zone length Crush zone energy capacity Powertrain Manufacture / Model Bore / Stroke / Cylinders / Displacement Compression ratio Induction Fuel Type Max Power design RPM Max Torque design RPM Min RPM for 80% max torque Fuel System (manf'r) Fuel System Sensors Fuel Pressure Injector location Intake Plenum volume Effective Intake Runner Length Exhaust header design Effective Exhaust runner length Ignition Timing Oiling System (wet/dry sump, mods) Coolant System and Radiator location Fuel Tank Location, Type Muffler Drivetrain Drive Type Differential Type Final Drive Ratio Vehicle Speed @ max power (design) rpm 1st gear 2nd gear 3rd gear 4th gear 5th gear 6th gear Half shaft size and material Joint type
Frt and rear Tubular space frame / Monocoque mid section 1020 and 4130 steel round tubing .5" to 1.125" dia / 2024-t3 .031" thk Al sheet Fusion welding ER70-S6 filler / 2 part room temp cure epoxy 5000 ft-lb / deg 8500 ft-lb/deg CAE beam model, 7310 ft-lb/deg physical test 59 lbs PVC foam 8 lb/cubic ft 150mm / 6.0 inches 63000 in*lbs (7200 Joules)
1996 Kawasaki ZX-6 4 cyl. 58mm bore / 57mm stroke / 4 cylinder / 605 cc 8.5:1 Rotary screw supercharger and Garret T03 turbocharger E-85 ethanol 13000 12000 8000 Student des/built ,fuel injection, sequential Air Temp, Coolant Temp, Throttle Pos, Crank Pos,……. 35 psi 3.2 inches before and pointing toward intake valve 1346 cc 12 inches 4-2-1 equal length (+/- 0.75"), 2.5" collector 21 inches 3-D map, RPM and Throttle position, 23 deg BTDC max advance belt driven dry sump, 2 scavenge / 1 pressure pump Twin side pod mounted radiators with thermostatic controlled electric fans Floor mounted between firewall and engine, aluminum tank w/fuel bladder Single glass pack muffler, 2.5 liter volume
Chain Open 2.52 18 mph 35 mph 54 mph 72 mph 91 mph removed from trans 1.125 OD .75 ID 8620 steel case hardened to Rc 60 .050 inches deep,Rc 28 core Tripod
Aerodynamics (if applicable) Front Wing (lift/drag coef., material, weight) Rear Wing (lift/drag coef., material, weight) Undertray (downforce/speed)
N/A N/A 75 lbs.at 40mph, center of pressure 2" aft of vehicle CG
Wing mounting
N/A
Optional Information
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