This car has a roadster body style designed by Böbel with a rear located engine powering the rear wheels.
Its 0.3 litre engine is a naturally aspirated, two stroke, 1 cylinder unit that produces 10 bhp (10.1 PS/7.5 kW) of power at 4200 rpm, and maximum torque of 17.3 N·m (12.8 lb·ft/1.8 kgm) at 3600 rpm.
This power is supplied to the wheels by means of a 3 speed manual gearbox.
Stated kerb weight is 260 kg.
Maximum speed claimed is 75 km/h or 47 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater roadster | ||
| Number of doors | 0 | ||
| Designer | Böbel | ||
| dimensions & weights | |||
| Wheelbase | 1800 mm | 70.9 inches | |
| Track/tread (front) | 1200 mm | 47.2 inches | |
| Track/tread (rear) | 1200 mm | 47.2 inches | |
| Length | 2850 mm | 112.2 inches | |
| Width | 1360 mm | 53.5 inches | |
| Height | 1280 mm | 50.4 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.58 | ||
| Kerb weight | 260 kg | 573 lb | |
| Weight distribution | |||
| fuel tank capacity | 8 litres | 1.8 [2.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Triumph | ||
| Engine code | |||
| Cylinders | 1 | ||
| Capacity | 0.3 litre 258 cc (15.744 cu in) |
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| Bore × Stroke | 60 × 55 mm
2.36 × 2.17 in |
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| Bore/stroke ratio | 1.09 | ||
| Valve gear | two stroke (TS) | ||
| maximum power output | 10.1 PS (10 bhp) (7.5 kW) at 4200 rpm |
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| maximum torque | 17.3 Nm (12.8 ft·lb) (1.8 kgm) at 3600 rpm |
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| Specific output | 28.9 kW/litre 39.3 ps/litre 38.8 bhp/litre 0.64 bhp/cu in |
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| Specific torque |
67.05 Nm/litre
0.81 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 6.3:1 | ||
| Fuel system | 1 Bing carburettor | ||
| bmep (brake mean effective pressure) | 421.3 kPa (61.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Air | ||
| Unitary capacity | 258 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 75 km/h (47 mph) | ||
| Power-to-weight ratio | Higher is better 39 PS/tonne (1000 kg) 0.04 PS/kg 28.68 kW/tonne (1000 kg) 0.03 kW/kg 38.46 bhp/tonne (1000 kg) 0.04 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 34.87 kg/kW 58.24 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | rear | ||
| Engine layout | unknown | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 3.25-16 | ||
| Tyres rear | 3.25-16 | ||
| Brakes F/R | -/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1.15 | ||
| Final drive ratio | 2.85 | ||
| general | |||
| Carfolio.com ID | 447755 | ||
| Production total | |||
| Model code | |||
| RAC rating | 2.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1950 Champion 250 S added 2015-12-27. Last modified 2020-03-16. |
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