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
~38 kg (without driver)
Tyres
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
3036 km/l (0.0329 l/100km) ; 8576 mpg (U.K.) ; Nokia (FIN) 2007
Engine Specifications
Make
Selfmade 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 Bosh special nozzle; fuel pressure 4,8 bars
Lubrication
wet sump; ~7 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