The M13

Monash Motorsport’s M13 features dramatic changes compared to previous years cars. The changes include a complete redesign of the suspension, smaller 10-inch wheels, forced induction, and a drag reduction system.

Technical Specifications

Dimensions Front Rear
Overall Length, Width, Height 3160 mm long, 1309 mm wide, 1424 mm high
Mass with 68kg driver seated 128.5 kg 128.5 kg
Suspension Parameters Front Rear
Suspension Type Double Unequal length A-Arm, direct acting, adjustable U-bar integrated with wing mounting Double Unequal length A-Arm, direct acting, adjustable anti roll shuttle bar
Tire Size, Compound and Make 18×7.5-10 R25B Hoosier 18×7.5-10 R25B Hoosier
Wheels (width, construction) 8” wide, 3 piece Al wheels, 3” positive offset 8” wide, 3 piece Al wheels, 0” offset
Center of Gravity Design Height 297 mm, confirmed via static test
Brake System / Hub & Axle Front Rear
Upright Assembly NC machined, 2024-T351 Al, bolt on 4130 steel steering clevis, sliding camber adjustment clevis NC machined, 2024-T351 Al, integrated rear anti roll bar mount, sliding camber adjustment clevis
Ergonomics
Seat (materials, padding/damping) Carbon fibre layup off 3 piece male mould, ACL heat insulation mounted on back face
Shift Actuator (type, location) Pneumatic, paddles on steering wheel, manual neutral selection via handle & linkage
Clutch Actuator (type, location) Hydraulic, pneumatic assist, lever located to the left of cockpit
Instrumentation Dash mounted ADL for testing, 9 LED shift / warning lights
Frame 
Frame Construction Steel tube spaceframe with bonded composite panels, aluminium rear bulkhead
Material 1020 mild dteel, 4130 chrome moly (roll hoops), carbon fibre and nomex honeycomb core panels
Powertrain
Manufacturer / Model 2011 KTM 450SXF
Bore / Stroke / Cylinders / Displace 97mm bore /  60.8mm stroke  /   1 cylinder  / 449.3 cc
Induction (natural or forced, intercoo Exhaust driven turbocharger, 60kPa max boost pressure, 127x200x42mm core air-air intercooler
Fuel Type E85
Other significant engine modification External belt-driven Nippodenso alternator
Drivetrain
Differential Type Drexler clutch pack limited slip, 25Nm preload, 30deg ramp angle on power side
Final Drive Ratio 3.15 : 1
Aerodynamics
Type / Configuration Front-triple element, rear- triple element, undertray
Total Downforce and Drag (at 115km/h) Downforce =3320 N,  Drag =1364 N
Noteable Features (active, etc) Unsprung mounting front/rear wings, Drag Reduction System front/rear wings
Other Information
Body Work (material, process) Carbon fibre nosecone, 2 part female mould constructed off NC machined foam male plug
Optional Information Independent roll damping adjustment via rear anti roll shuttle