Haynes 28 Roadster is a car that has a roadster body style with a front mounted engine driving through the rear wheels.
The 5.1 litre engine is a naturally aspirated, side valve, 4 cylinder that has an output of 48 bhp (48.7 PS/35.8 kW) of power.
A 3 speed manual gearbox transfers the power to the driven wheels.
Its quoted weight at the kerb is 1565 kg.
Full specs
|
|
|||
| bodywork | |||
|---|---|---|---|
| Body type | 2 seater roadster | ||
| Number of doors | |||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2997 mm | 118 inches | |
| Track/tread (front) | 1422 mm | 56 inches | |
| Track/tread (rear) | 1422 mm | 56 inches | |
| Length | |||
| Width | |||
| Height | |||
| Ground clearance | |||
| length:wheelbase ratio | |||
| Kerb weight | 1565 kg | 3450 lb | |
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Haynes | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 5.1 litre 5114 cc (312.075 cu in) |
||
| Bore × Stroke | 107.95 × 139.7 mm
4.25 × 5.5 in |
||
| Bore/stroke ratio | 0.77 | ||
| Valve gear | side valve (SV)
2 valves per cylinder 8 valves in total |
||
| maximum power output | 48.7 PS (48 bhp) (35.8 kW) |
||
| maximum torque | |||
| Specific output | 7 kW/litre 9.5 ps/litre 9.4 bhp/litre 0.15 bhp/cu in |
||
| Engine construction | |||
| Lubrication | |||
| compression ratio | |||
| Fuel system | 1 Stromberg carburettor | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 1278.5 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 | |||
| Power-to-weight ratio | Higher is better 31.1 PS/tonne (1000 kg) 0.03 PS/kg 22.87 kW/tonne (1000 kg) 0.02 kW/kg 30.67 bhp/tonne (1000 kg) 0.03 bhp/kg 0.01 bhp/lb |
||
| Weight-to-power ratio | Lower is better 43.72 kg/kW 73.03 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 | 34 x 4 | ||
| Tyres rear | 34 x 4 | ||
| Brakes F/R | -/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 265749 | ||
| Production total | |||
| Model code | |||
| RAC rating | 28.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
1913 Haynes 28 Roadster added 2012-02-19. Last modified 2020-02-02. |
|||