Tech Specs

Powertrain

Engine Turbocharged Yamaha WR450
Specifications 3.7in bore x 2.5in stroke / 1 cylinder / 450cc
Compression Ratio 11.0 : 1
Fuel Type E85
Max Power Design 7500 RPM
Max Torque Design 5500 RPM
Fuel System RIT designed / built, MoTeC ECU engine management
Intake Plenum Volume & Runner 2100 cc, 7.5in runner length
Muffler RIT designed / built single pass dissipative, carbon fiber shell
Drive Type Single reduction chain type
Differential Type Limited-slip, Drexler FSAE Differential, 5:1 torque bias ratio
Driveshafts RIT designed / manufactured carbon fiber halfshafts

Brakes/Uprights

Rotors Front: floating, AISI 4130 steel, hub mounted, 7.5in diameter
Rear: floating, AISI 4130 steel, hub mounted, 7in diameter
Calipers Front: custom dual piston 1.1in diameter, fixed mounting
Rear: custom dual piston 0.68in diameter, fixed mounting
Uprights CNC machined 7000 series aluminum, integral caliper mounts
Driver Adjustable Pedal Box Individual pedal-box location fore and aft for each driver

Ergonomics

Seat Carbon fiber insert, 1.5in foam head support
Shift Actuator Electropneumatic paddle shifter
Instrumentation Oil pressure and water temperature LED’s on the steering wheel
Clutch Actuator Hand actuated hydraulic

Suspension

Type Double unequal length non-parallel a-arms with adjustable anti-roll bars
Tires 18x6-10 LC0 Hoosier
Wheels 7in Wide 3-pc Kaiser shells with 7050 aluminum center

Aero

Aerodynamics Triple element front and rear wings, undertray and headrest cowl
Downforce and Drag 610lbs of downforce @ 60mph, lift to drag ratio of 2.15 : 1 @ 60mph

Body

Wheelbase 62in
Weight 363lbs
Frame Construction Carbon fiber monocoque with 5052 aluminum core and CFRP hardpoints
Notable Features Undertray surfaces integrated with chassis structure
Bare Frame Weight 55lbs
Track Width 45in front, 45in rear