2007 and 2009 Design Comparison


	2007	2009

General

Dimensions (l x w x h)	107.3 x 54 x 42.5 in	100 x 54 x 46 in
Front/ Rear Weight (with 150 lb driver)	260 / 345 lbs	260 / 270 lbs
Front/Rear Track	47 / 46 in	46.5 / 46 in
Wheelbase	60 in	60 in

Frame


Weight	52 lbs	--
Construction	4130 Tubular Steel Space Frame	4130 Chromoly Steel Space Frame

Suspension

Type	Double unequal length A-Arm	Double unequal length A-Arm
Ride Height	0.75 in	1.0 in
Tires	Goodyear 20 x 7.0 D2509 R065	Goodyear 20 x 7.0 D2691 R065
Wheels	7 inch wide, 3 piece Alum. rims, 1 inch neg. offset	7 inch wide, 3 piece Alum. rims, 1 inch neg. offset
Rotors	Floating dual outboard, Brake hat mounted front, CV Shaft mounted rear	Floating dual outboard, Brake hat mounted front, CV Shaft mounted rear
Calipers	Student built, opposing piston	AP Racing, Opposing piston
Uprights	7075-T6 Aluminum CNC machined	7075-T6 Aluminum CNC machined

Driveline

Differential	Limited slip, crossed axis helical in custom Alum. housing	Limited slip, cross axis helical in custom Alum. housing
Drive Ratio	4.36:1	3:1
Joints	Constant Velocity, Rzeppa style	Constant Velocity ball style; Outboard-fixed, Inboard-Plunging

Engine

Manufacture/Model	01-03 Suzuki GSX-R600	KTM 525 XC
Fuel	E-85 Ethanol	E-85 Ethanol
Compression Ratio	13.5:1	11:1
Induction	Naturally aspirated, carbon intake system with port matched runners	Turbo Charged
Fuel System	Student designed/built sequential port injection, Dual cone 20 deg offset Bosch	Student designed Fuel injection, Bosch fuel injectors
Muffler	Purpose built 3 chamber carbon/aluminum muffler	Student designed muffler, Glass pack
ECU	Mototron: Rapid code generation, MAP transient control, student designed: close loop	Mototron: Rapid code generation, MAP transient control, student designed: close loop