FSAE Design Spec Sheet
2008
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 be referred to during 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 should be used as a baseline for your designs.
Car No.
046
School
University of Alberta
Dimensions Overall Length, Width, Height Wheelbase
Front Rear 107.5 inches long, 47.3 inches wide, 46 inches tall 63.4 inches
Track W eight with 150lb driver
47.3 inches 33 0 l b
45.4 inches 330 lb
Suspension Parameters Suspension Type
Front Double unequal length and non-parralel AArm. Push rod actuated horizontally oriented spring and damper 18.0x6.0-10 R25A Hoosier 10" x 5", +1" offset, Keizer 3pc Al 4.7 inches 10.8 inches above ground 2.0 inches jounce/ 2.5 inches rebound 91.5 lb/in
Rear Double unequal length and non-parralel AArm. Pull rod actuated angularly oriented spring and damper 18.0x6.0-10 R25A Hoosier 10"x6", +1.5" offset, Keizer 3pc Al 3.4 inches
Tire Size and Compound Type W heels Design ride height (chassis to ground) Center of Gravity Design Height Suspension design travel W heel 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 / in) Camber coefficient in roll (deg / deg) Static Toe and adjustment method Sta Static cam camb ber an and ad adjustme stmen nt me method Fron Frontt Cast Caster er and and adju adjust stme ment nt met method hod Front Kingpin Axis Kingpin offset and trail Stat Static ic Akerm Akermann ann and and adj adjust ustmen mentt met method hod Anti dive / Anti Squat Roll center position static Roll Roll cent center er posi positi tion on at 1g lat lateral eral acc acc
1.7 degrees per 1g lateral acceleration 2.44 Hz Between 28 and 61% critical damping at 2.5 in/sec Between 116 and 183% critical damping at 2.5 in/sec 1.6 / linear
1.5 inches jounce/ 1.3 inches rebound 97.2 lb/in (0.5" jounce) 77.4 lb/in (rebound)
2.52 Hz at 0.5" jounce travel Between 27 and 59% critical damping at 2.5 in/sec Between 113 and 177% critical damping at 2.5 in/sec 1" jounce tavel: 1.3 / progressive rate rebound: 1.8 / linear 0.439 deg/in 0.819 deg/deg 0°, double adjustable toe links 0°, ad adjustable vi via in inboard ro rodends
Steer location, Gear ratio, Steer Arm Length
0.344 deg/in 0.855 deg/deg 0°, double adjustable steering links -1°, ad adjust ustable vi via in inboard ro rodends 4.8° 4.8°, nonnon-ad adju just stab able le 3.1°, non-adjustable 1.5" offset, 0.75" trail 0% non non-a -adj djus usta tabl ble e 0% 0% +0.14 inches +0.70 inches 0.97 0.97 inch inches es abov above e gro groun und, d, 2.8 2.8 inc inche hes s ffro rom m 1.6 inches above ground, 2.0 inches from center center Front steer 1.7 inches above bottom A-arm, 1.0 inch c-factor, 2.0 inch steer arm
Brake System / Hub & Axle Rotors
Front 7.25" inch dia. hub mounted 1018 steel.
Master Cylinder Calipers Hub Bearings Upright Assembly Axle ty type, size, and ma material
Rear 1018 Steel differential mounted single rotor, 10" dia. 25.4mm rear bore, 14.9mm front bore, driver adjustable balance bar. 1.12" bore., opposing piston, fixed 1.75" bore, slide pin mounted to differential mounting. mount, single rear caliper. Thin-section angular contact ball bearings, Thin-section angular contact ball bearings, 2.5" dia. 3.5" dia. 1018 steel weldment with caliper mount. 1018 steel weldment. Rotating spindle, 6061-T6 Al Aluminum, 1.87" Rotating spindle, 6061-T6 Aluminum, 2.87" dia. dia.
Ergonomics Driver Size Adjustments Fixed pedals and steering wheel. Quick-change seat to accommodate driver size. Seat (materials, padding) Wet lay-up carbon. Driver Visibility (angle of side view, mirrors?) 190 degree visibility range, body mounted side view mirrors. 134046352.xls.ms_office V1
1
3/13/2013
Shift Actuator (type, location) Clutch Actuator (type, location) Instrumentation 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 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 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 Aerodynamics (if applicable) Front Wing (lift/drag coef., material, weight) Rear Wing (lift/drag coef., material, weight) Undertray (downforce/speed) Wing mounting
Pneumatic shifter, electrically actuated by steering wheel mounted buttons. Hand lever, cable actuated with electric solenoid for launch and shifting control.
Tubular Space Frame 4130 Chromoly Tubing / 3/4" to 1" OD / 0.035" to 0.095" wall thickness ER70-S6 filler 1000 ft-lb / deg 1200 ft-lb/deg CAE beam model, physical testing to be completed by competition 78 lbs General Plastics FR-3710 Rigid Polyurethane Foam 250mm / ~10.0 inches 23,800 Joules at 80% strain (calculated)
2003 Honda CBR600 F4i 67mm bore / 42.5mm stroke / 4 cylinder / 599 cc 12.0:1 Naturally Aspirated 32mm, butterfly actuation 93 Octane 81 hp @ 11,400 RPM 42 ft-lb @ 7,700 RPM 3500 RPM Stock Honda fuel rail and injectors, aftermarket pressure regulator, fully sequential, 3D Air Temp, Coolant Temp, TPS, Crank Pos, Cam pos, MAP, Wideband 02 45 psi 6.2 inches upstream of valves, 32 degrees from runner/port axis 2775 cc / 236 mm 4-2-1 equal length primaries (+/- 3 mm), 2.25" collector 19.7 inches Autronic ECU, 4-channel Bosch ignition module, stock Honda COP 3-D map, RPM and Throttle position, 50 deg BTDC max advance Stock Honda wet sump Twin side mounted aluminum radiators with ECU controlled fan Floor mounted between firewall and engine, aluminum tank with anti-slosh foam Yoshimura RS-3 Stainless Steel
520 chain Torsen T-1 LSD, 4:1 bias ratio 3.8 0.042 Mach (31 MPH) 0.057 Mach (42 MPH) 0.072 Mach (53 MPH) 0.083 Mach (62 MPH) 0.093 Mach (69 MPH) 0.100 Mach (74 MPH) Taylor Race gundrilled 4340, 0.81 inch diameter Taylor Race 4340 hardened to Rc 50 tripod housings with CV joint
N/A N/A N/A N/A
Optional Information Body Work? Special Bit A? Special Bit B? 134046352.xls.ms_office V1
2
3/13/2013
134046352.xls.ms_office V1
3
3/13/2013
