General Specifications
Layout
Two steering front wheels, one driving rear wheel.
Turning radius 8 m.
Chassis & bodywork
Self carrying carbon fiber monocoque.
Length / Height / Width
280 cm / 60 cm / 60 cm
Wheelbase / Track
120 cm / 50 cm
Weight
33 kg (without driver)
Tyres
Michelin “Eco-Marathon Radial”
Brakes
2 x hydraulic disc-brakes on front wheels, 1 x hydraulic Magura MTB on rear wheel
Driveline
1-stage 1-speed chain drive to rear wheel; centrifugal clutch on crankshaft; dog clutch on rear wheel
Vehicle Record
1972 km/l, Shell Eco-marathon Rotterdam 2015
Engine Specifications
Make
Self made prototype
Type
4-stroke petrol engine
Bore x Stroke / Volume
27,7 × 70 mm / 42 cm3
Combustion Chamber
Dual hemisphere
Valve layout
SOHC; 2 valves; roller followers
Valve timing
I.O. @ 5 deg BTDC
I.C. @ 25 deg ABDC
E.O. @ 35 deg BBDC
E.C. @ 5 deg ATDC
Compression ratio
16,8
Ignition System
ECU controlled twinspark
Sparkplugs
Twinspark, 2 plugs
Ignition Timing
ECU controlled by revs; 0 – 35 deg BTDS
Fuel Distribution
ECU controlled fuel injection with Bosch special nozzle; fuel pressure 4,8 bars
Lubrication
wet sump; ~7 ml
ECU
FPGA board based, self made