Tech Specs 2004 Car
2004 Car - M04


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Performance

  • 0-100 km/h in 3.9 seconds
  • 1.5 g cornering capability
  • 1.6 g braking capability
  • Top speed 160 km/h to 240km/h depending on final drive
  • Peak power: 75 hp @ 10,000 RPM (with 20 mm inlet restrictor)
  • Peak Torque: 52 Nm at 8,000 RPM
  • 15,000 RPM rev limit
  • Weight: 260 kgs
  • Downforce at 100 km/h: 54 kgs

Engine

  • 600 cc inline four cylinder Yamaha YZF-R6 DOHC naturally aspirated motorcycle engine with mandated 20 mm inlet restrictor
  • In house designed & built fuel injection using Autronic Engine Management system
  • In house designed & built carbon fibre inlet manifold, headers and exhaust
  • Tuned using the University of Auckland's engine dynamometer and rolling road chassis dynamometer for broad torque range
  • Chain driven to Torsen type-II torque sensing differential in custom designed and built aluminium housing
  • Modified Yamaha Grizzly CV units.

Chassis

  • Designed using CAD and Finite Element Analysis (FEA) techniques to optimise chassis stiffness and weight.
  • TIG welded tubular space-frame chassis with bonded and riveted stressed aluminium panels
  • Weight : 38 kgs.
  • Torsional stiffness: 1800 Nm/degree

Suspension

  • Designed using CAD, FEA and vehicle dynamics simulation tools.
  • Independent front and rear double-wishbones.
  • CNC machined aluminium upright, hubs and spindles.
  • Pushrod actuated custom-made Works Shocks coilover spring/damper units.
  • Torsion type front anti-roll bar.
  • Rack and pinion steering in modified aluminium housing.
  • Front brakes: 250 mm grooved discs with 4-piston Brembo Calipers.
  • Rear brake: Single inboard 250 mm grooved disc with 4-piston Brembo Caliper.

Aerodynamics

  • Designed using Computational Fluid Dynamics (CFD) tools to minimise drag and maximise downforce.
  • Features structural carbon fibre and Kevlar undertray with twin rear diffuser tunnels.
  • Carbon fibre bodywork moulded in-house.

Achievements

  • FISITA Best Endeavour Trophy