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FSAE Design Spec Sheet 2008

--Please do not modify format of this 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 Front RearOverall Length, Width, Height 107.5 inches long, 47.3 inches wide, 46 inches tall

Wheelbase 63.4 inches

Track 47.3 inches 45.4 inches

Weight with 150lb driver 330 lb 330 lb

Suspension Parameters Front Rear

Suspension Type

Tire Size and Compound Type 18.0x6.0-10 R25A Hoosier 18.0x6.0-10 R25A HoosierWheels 10" x 5", +1" offset, Keizer 3pc Al 10"x6", +1.5" offset, Keizer 3pc AlDesign ride height (chassis to ground) 4.7 inches 3.4 inchesCenter of Gravity Design Height 10.8 inches above groundSuspension design travel 2.0 inches jounce/ 2.5 inches rebound 1.5 inches jounce/ 1.3 inches reboundWheel rate (chassis to wheel center) 91.5 lb/inRoll rate (chassis to wheel center) 1.7 degrees per 1g lateral accelerationSprung mass natural frequency 2.44 Hz 2.52 Hz at 0.5" jounce travelJounce Damping

Rebound Damping

Motion ratio / type 1.6 / linear

Camber coefficient in bump (deg / in) 0.344 deg/in 0.439 deg/inCamber coefficient in roll (deg / deg) 0.855 deg/deg 0.819 deg/degStatic Toe and adjustment method 0°, double adjustable steering links 0°, double adjustable toe linksStatic camber and adjustment method -1°, adjustable via inboard rodends 0°, adjustable via inboard rodendsFront Caster and adjustment method 4.8°, non-adjustableFront Kingpin Axis 3.1°, non-adjustableKingpin offset and trail 1.5" offset, 0.75" trail

0% non-adjustableAnti dive / Anti Squat 0% 0%Roll center position static +0.14 inches +0.70 inchesRoll center position at 1g lateral acc

Brake System / Hub & Axle Front RearRotors

Master Cylinder 25.4mm rear bore, 14.9mm front bore, driver adjustable balance bar.Calipers

Hub Bearings

Upright Assembly 1018 steel weldment.Axle type, size, and material

ErgonomicsDriver Size Adjustments

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.

Double unequal length and non-parralel A-Arm. Push rod actuated horizontally oriented spring and damper

Double unequal length and non-parralel A-Arm. Pull rod actuated angularly oriented spring and damper

97.2 lb/in (0.5" jounce) 77.4 lb/in (rebound)

Between 28 and 61% critical damping at 2.5 in/sec

Between 27 and 59% critical damping at 2.5 in/sec

Between 116 and 183% critical damping at 2.5 in/sec

Between 113 and 177% critical damping at 2.5 in/sec

1" jounce tavel: 1.3 / progressive raterebound: 1.8 / linear

Static Akermann and adjustment method

0.97 inches above ground, 2.8 inches from center

1.6 inches above ground, 2.0 inches from center Steer location, Gear ratio, Steer Arm

LengthFront steer 1.7 inches above bottom A-arm, 1.0 inch c-factor, 2.0 inch steer arm

7.25" inch dia. hub mounted 1018 steel.

1018 Steel differential mounted single rotor, 10" dia.

1.12" bore., opposing piston, fixed mounting.

1.75" bore, slide pin mounted to differential mount, single rear caliper.

Thin-section angular contact ball bearings, 2.5" dia.

Thin-section angular contact ball bearings, 3.5" dia.

1018 steel weldment with caliper mount.Rotating spindle, 6061-T6 Aluminum, 1.87" dia.

Rotating spindle, 6061-T6 Aluminum, 2.87" dia.

Fixed pedals and steering wheel. Quick-change seat to accommodate driver size.

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Seat (materials, padding) Wet lay-up carbon.190 degree visibility range, body mounted side view mirrors.

Shift Actuator (type, location) Pneumatic shifter, electrically actuated by steering wheel mounted buttons.Clutch Actuator (type, location)Instrumentation

Frame Frame Construction Tubular Space FrameMaterial 4130 Chromoly Tubing / 3/4" to 1" OD / 0.035" to 0.095" wall thicknessJoining method and material ER70-S6 fillerTargets (Torsional Stiffness or other) 1000 ft-lb / degTorsional stiffness and validation methodBare frame weight with brackets and pai 78 lbsCrush zone material General Plastics FR-3710 Rigid Polyurethane FoamCrush zone length 250mm / ~10.0 inchesCrush zone energy capacity 23,800 Joules at 80% strain (calculated)

PowertrainManufacture / Model 2003 Honda CBR600 F4iBore / Stroke / Cylinders / Displacement 67mm bore / 42.5mm stroke / 4 cylinder / 599 ccCompression ratio 12.0:1Induction Naturally AspiratedThrottle Body / Mechanism 32mm, butterfly actuationFuel Type 93 OctaneMax Power design RPM 81 hp @ 11,400 RPMMax Torque design RPM 42 ft-lb @ 7,700 RPMMin RPM for 80% max torque 3500 RPMFuel System (manf'r, and type)Fuel System Sensors (used in fuel mappi Air Temp, Coolant Temp, TPS, Crank Pos, Cam pos, MAP, Wideband 02Fuel Pressure 45 psiInjector location 6.2 inches upstream of valves, 32 degrees from runner/port axisIntake Plenum volume and runner length2775 cc / 236 mmExhaust header design 4-2-1 equal length primaries (+/- 3 mm), 2.25" collectorEffective Exhaust runner length 19.7 inchesIgnition System Autronic ECU, 4-channel Bosch ignition module, stock Honda COPIgnition Timing 3-D map, RPM and Throttle position, 50 deg BTDC max advanceOiling System (wet/dry sump, mods) Stock Honda wet sumpCoolant System and Radiator location Twin side mounted aluminum radiators with ECU controlled fanFuel Tank Location, TypeMuffler Yoshimura RS-3 Stainless SteelOther significant engine modifications

DrivetrainDrive Type 520 chainDifferential Type Torsen T-1 LSD, 4:1 bias ratioFinal Drive Ratio 3.8Vehicle Speed @ max power (design) rp1st gear 0.042 Mach (31 MPH)2nd gear 0.057 Mach (42 MPH)3rd gear 0.072 Mach (53 MPH)4th gear 0.083 Mach (62 MPH)5th gear 0.093 Mach (69 MPH)6th gear 0.100 Mach (74 MPH)Half shaft size and material Taylor Race gundrilled 4340, 0.81 inch diameterJoint type Taylor Race 4340 hardened to Rc 50 tripod housings with CV joint

Aerodynamics (if applicable)Front Wing (lift/drag coef., material, weigN/ARear Wing (lift/drag coef., material, weig N/AUndertray (downforce/speed) N/A

Driver Visibility (angle of side view, mirrors?)

Hand lever, cable actuated with electric solenoid for launch and shifting control.

1200 ft-lb/deg CAE beam model, physical testing to be completed by competition

Stock Honda fuel rail and injectors, aftermarket pressure regulator, fully sequential, 3D mapping

Floor mounted between firewall and engine, aluminum tank with anti-slosh foam

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Wing mounting N/A

Optional InformationBody Work?Special Bit A?Special Bit B?