General Specifications
Layout
2 steering frontwheels, 1 driving rearwheel
Chassis
Separate plate spaceframe; made of carbon fibre and foam
Bodywork
Separate bodywork; made of carbon fibre
Lenght / Height / Width
325 cm / 60 cm / 72 cm
Wheelbase / Track
160 cm / 55 cm
Frontal Area / Cd / Cd x V2/3
0.38 m2 / 0.102 / 0.05 (measured with 1/4 model, free flow)
Weight
~40 kg (without driver)
Tyres
Michelin “Eco-Marathon Special”, size 44-406 (20”) or Michelin “Eco-Marathon Radial”
Brakes
2 x hydraulic Magura MTB on rearwheel
Driveline
1-stage 1-speed chaindrive to rearwheel; centrifugal clutch on cranckshaft; dog clutch on rearwheel
Vehicle Record
2485 km/l (0.0402 l/100km) ; 7020 mpg (U.K.) ; Nokia (FIN) 2002
Engine Specifications
Make
Selfmade prototype
Type
4-stroke petrol engine
Bore x Stroke / Volume
39 × 55 mm / 66 cm3
Combustion Chamber
Hemisphere
Valve layout
DOHC; 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
17,3
Ignition System
ECU controlled twinspark
Sparkplugs
2 x Bosch UR4AS
Ignition Timing
ECU controlled by revs; 0 – 35 deg BTDS
Fuel Distribution
ECU controlled fuel injection with Bosh special nozzle; fuel pressure 4,8 bars
Lubrication
Wet sump; ~10 ml
ECU
Hestec engine control unit by Toijalan Autosähkö. Injection and ignition controlled depending on revs(300rpm steps), inlet manifold pressure, inlet and engine temperatures
Output
max. power: ~970 W @ 4000 rpm
max. torque: ~2.8 Nm @ 2050 rpm