Vehicles > Remmi UC1 "Urban Concept" class vehicle , 2004-2005
General Specifications
Layout
2 steering frontwheels, 1 driving + 1 idle rearwheel
Chassis
Separate plate spaceframe; made of carbon fibre and foam
Bodywork
Separate bodywork; made of glass fibre
Lenght / Height / Width
240 cm / 110 cm / 130 cm
Wheelbase / Track
145 cm / 100 cm
Frontal Area / Cd / Cd x V2/3
~0.9 m2 / ~0.18
Weight
~80 kg (without driver)
Tyres
Michelin "Eco-Marathon Special", size 44-406 (20")
Brakes
4-wheel hydraulic disc brakes
Driveline
1-stage 1-speed chaindrive to right hand rearwheel; centrifugal clutch on cranckshaft; dog clutch on rearwheel
Vehicle Record
515 km/l (0.1940 l/100km) ; 1456 mpg (U.K.) ; Nokia (FIN) 2005
Engine Specifications
Make
Selfmade prototype
Type
4-stroke petrol engine
Bore x Stroke / Volume
39 x 55 mm / 66 cm3
Combustion Chamber
Hemisphere
Valve layout
DOHC; 2 valves; roller followers
Valve timing
I.O. @ 6 deg BTDC
I.C. @ 23 deg ABDC
E.O. @ 32 deg BBDC
E.C. @ 4 deg ATDC
Compression ratio
15,0
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: ~950 W @ 4000 rpm
max. torque: ~2.9 Nm @ 2000 rpm
