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2010

Car No.

School

Dimensions Front Rear

Overall Length, Width, HeightWheelbase

Track Width 48 46

Weight with 68kg driver 292.lbs 357 lbs

Suspension Parameters Front Rear

Suspension Type Double unequal length A-Arm. Push rod

actuated horizontally oriented spring and

damper

Double unequal length A-Arm. Pull rod

actuated horizontally oriented spring and

damper

Tire Size and Compound Type 20.5x6-13 R25A Hoosier 20.5x6-13 R25A Hoosier

Wheels (width, construction) 6 inch wide, 3 pc Al Rim, 1 in neg. offset 6 inch wide, 3 pc Al Rim, 1 in neg. offset

Center of Gravity Design Height

Suspension design travel 1 in jounce/ 1in rebound 1in Jounce / 1in rebound

Wheel rate (chassis to wheelcenter)

165 lb / in 160 lb/in

Roll rate (chassis to wheel center)

Sprung mass natural frequency 2.14 Hz 2.07 Hz

Jounce Damping 69.9% of critical damping at 7in/s 85.2 % of critical damping at 7.5 in /s

Rebound Damping 69.9% of critical damping at 7in/s 85.2 % of critical damping at 7.5 in /s

Motion ratio / type 0.77 0.4

Camber coefficient in bump (deg /

m)

1.13 deg / in 1.6 deg / in

Camber coefficient in roll (deg /

deg)

.57 deg / deg .66 deg /deg

Static Toe 1 deg toe in 1.5 deg toe in

Static camber and adjustment

method

-1 deg, adj. via inboard rod ends -1 deg, adj. via inboard rod ends

Front Caster and adjustment

method

8 degrees adjustable via inboard rod ends

Front Kingpin Axis 0 degrees adjustable via inboard rod ends

Kingpin offset and trail .25 in offset, . 56" trail

Static Akermann and adjustment

method

100% non adjustable

Anti dive / Anti Squat 0 0

Roll center position static 1.94" above ground 3.77" above ground

Roll center position at 1g lateral

acc

1.91"above ground, 1.81" toward unladen

side

3.79" above ground, .55" toward unladen

side

Steer location, Gear ratio, Steer

Brake System / Hub & Axle Front Rear

Rotors Fixed, Steel, hub mounted, 6.5" dia X .134in Inboard, 8" dia x .134 in Steel

Master Cylinder

Calipers 1.75" dia., single piston, floating mtg Dual piston, 1.38" dia., fixed mount

Hub Bearings Dual tapered roller bearings. Single Double Row Bearing, 64mm X 34mm

X 37mm

Upright Assembly CNC 6061-T6-Al CNC 6061-T6-Al

Axle type, size, and material Fixed spindle, 1" diameter, 4130 Heat

Treated Steel

CV Shafts @ .85" OD, .375" ID, 20 spline,

RC 50

Ergonomics

Driver Size Adjustments

Seat (materials, padding)

Wilwood 5/8" bore front / 5/8"" bore rear with adjustable bias bar

Fixed seat and steering wheel. Removable pedals of different size

Carbon Fiber, 2.5 in foam head support

steering located rear of the pivoting axis, 2.6" steer arm

FSAE Design Spec Sheet

1 degree / G

67112" long, 55" wide, 41" high

12in above ground

South Dakota State University

55

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 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.

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Driver Visibility (angle of side view,

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 m

Bare frame weight with brackets anCrush zone material

Crush zone length

Crush zone energy capacity

Powertrain

Manufacture / Model

Bore / Stroke / Cylinders / Displace

Compression ratio

Induction

Throttle Body / Mechanism 25 mm inlet butterfly throttle actuation

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

Fuel Pressure

Injector location

Intake Plenum volume and runner le

Exhaust header design

Effective Exhaust runner length

Ignition System

Ignition Timing

Oiling System (wet/dry sump, mods)

Coolant System and Radiator locati

Fuel Tank Location, TypeMuffler

Other significant engine modificatio

Drivetrain

Drive Type

Differential Type

Final Drive Ratio

Vehicle Speed @ max power (desig

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,

Rear Wing (lift/drag coef., material,

Undertray (downforce/speed)

Wing mounting

Optional Information

Body Work?

Special Bit A? N/A

N/A

4

#520 chain

Taylor Racing clutch pack limited slip

N/A

N/A

N/A

4-2-1 equal length (+/- 1in), 1.25" primary, 1.5" secondary, 2" merge collector

Factory Wet Sump

Floor mounted between firewall and engine, aluminum tank

NONE

N/A

11600

9280

50 psig

10"

Factor R6 primary fuel injectors, injector bosses built into the runners, Mallory fuel pump,

student built fuel tank, SS braided inlet and return line, pressure regulator on return line.

Air Temp, Coolant Temp, Throttle Pos, Crank Pos, MAP sensor, O2 Sensor

67mm bore / 42.5mm stroke / 4 cylinder / 599.8 cc

Yamaha 4-cylinder R6

Akrapovic Glass Packed Muffler

Naturaly Aspirated

14500

88.9 mm before and pointing toward intake valve

Yamaha R6 stock ingition controled through Performance Electronic ECU

Single side mounted radiator with thermostat controlled electric fans

3-D map, RPM and Throttle position, 39 deg BTDC max advance

85% Ethanol

14 in

3000cc Plenum,355 mm runner lengths

Taylor Racing tripod bearing and carrier inboard and outboard

40 mph

51 mph

61 mph

71 mph

80 mph

89 mph

Taylor Racing Supplied 21.6 mm OD, 9.5 mm ID steel hardened to Rc 50

N/A

70 lbs1/4 cell size, 5052 Alum alloy, .003 foil gage

Electric shifter actuated with push buttons on the steering wheel

220 degree side visibility

warning lights

1500 lbf-ft / deg

test not performed

4130 steel round tubing .625" to 1.00" diameter

heliarc welding ER70-S6 filler

Tubular space frame

12.8:1

Pedal, cable actuated

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Special Bit B? N/A

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RPM 1st Gear 2nd Gear 3rd Gear 4th Gear

Primary Reduction 2.0731 :1 0 0 0 0 0

1st Gear 2.583 :1 1000 2.847313 3.677304 4.411883 5.093219

2nd Gear 2 :1 2000 5.694625 7.354609 8.823766 10.18644

3rd Gear 1.667 :1 3000 8.541938 11.03191 13.23565 15.27966

4th Gear 1.444 :1 4000 11.38925 14.70922 17.64753 20.37288

5th Gear 1.2866 :1 5000 14.23656 18.38652 22.05941 25.4661

6th Gear 1.15 :1 6000 17.08388 22.06383 26.4713 30.55932

Secondary Reduction 4 :1 7000 19.93119 25.74113 30.88318 35.65254

8000 22.7785 29.41843 35.29506 40.74575

Tire Diameter 20.5 inches 9000 25.62581 33.09574 39.70695 45.83897

Tire Circumference 64.40265 10000 28.47313 36.77304 44.11883 50.93219

11000 31.32044 40.45035 48.53071 56.02541

12000 34.16775 44.12765 52.94259 61.11863

13000 37.01507 47.80496 57.35448 66.21185

14000 39.86238 51.48226 61.76636 71.30507

15000 42.70969 55.15957 66.17824 76.39829

16000 45.557 58.83687 70.59013 81.49151

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5th Gear 6th Gear

0 0

5.716313 6.395312

11.43263 12.79062

17.14894 19.18594

22.86525 25.58125

28.58157 31.97656

34.29788 38.37187

40.01419 44.76718

45.73051 51.1625

51.44682 57.55781

57.16313 63.95312

62.87945 70.34843

68.59576 76.74374

74.31207 83.13906

80.02839 89.53437

85.7447 95.92968

91.46101 102.325