The Dunn Light Roadster is a roadster with a front mounted engine which supplies its power to the rear wheels.
The 1.9 litre engine is an overhead valve, 4 cylinder unit that has an output of 14.5 bhp (14.7 PS/10.8 kW) of power.
A 2 speed manual gearbox supplies the power to the wheels.
Stated weight at the kerb is 272 kg.
Full specs
|
|
|||
| bodywork | |||
|---|---|---|---|
| Body type | 2 seater roadster | ||
| Number of doors | 0 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2134 mm | 84 inches | |
| Track/tread (front) | 1118 mm | 44 inches | |
| Track/tread (rear) | 1118 mm | 44 inches | |
| Length | |||
| Width | |||
| Height | |||
| Ground clearance | |||
| length:wheelbase ratio | |||
| Kerb weight | 272 kg | 600 lb | |
| Weight distribution | |||
| fuel tank capacity | 18.9 litres | 4.2 [5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | |||
| Engine manufacturer | |||
| Engine code | |||
| Cylinders | V 4 in 30° vee | ||
| Capacity | 1.9 litre 1853 cc (113.077 cu in) |
||
| Bore × Stroke | 76.2 × 101.6 mm
3 × 4 in |
||
| Bore/stroke ratio | 0.75 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
||
| maximum power output | 14.7 PS (14.5 bhp) (10.8 kW) |
||
| maximum torque | |||
| Specific output | 5.8 kW/litre 7.9 ps/litre 7.8 bhp/litre 0.13 bhp/cu in |
||
| Engine construction | |||
| Lubrication | |||
| compression ratio | |||
| Fuel system | |||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Air | ||
| Unitary capacity | 463.25 cc | ||
| Aspiration | |||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | |||
| 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 | |||
| Power-to-weight ratio | Higher is better 54.05 PS/tonne (1000 kg) 0.05 PS/kg 39.75 kW/tonne (1000 kg) 0.04 kW/kg 53.31 bhp/tonne (1000 kg) 0.05 bhp/kg 0.02 bhp/lb |
||
| Weight-to-power ratio | Lower is better 25.16 kg/kW 42.02 lb/bhp |
||
| 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 | front | ||
| Engine layout | longitudinal | ||
| 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 | 28 x 2½ | ||
| Tyres rear | 28 x 2½ | ||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 2 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 305371 | ||
| Production total | |||
| Model code | |||
| RAC rating | 14.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
1915 Dunn Light Roadster added 2013-01-27. Last modified 2020-02-02. |
|||