The power is produced by a naturally aspirated engine of 4.1 litre capacity. This unit features side valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It produces 100 bhp (101 PS/75 kW) of power at 3400 rpm.
The engine powers the wheels compliments of a 4 speed manual transmission.
The Humber Imperial weighs a quoted 1905 kg at the kerb.
The Humber Imperial is said to be able to attain a top speed of 130 km/h (81 mph).
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | |||
| Number of doors | |||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3150 mm | 124 inches | |
| Track/tread (front) | 1530 mm | 60.2 inches | |
| Track/tread (rear) | 1530 mm | 60.2 inches | |
| Length | 4877 mm | 192 inches | |
| Width | 1880 mm | 74 inches | |
| Height | |||
| Ground clearance | 187 mm | 7.4 inches | |
| length:wheelbase ratio | 1.55 | ||
| Kerb weight | 1905 kg | 4200 lb | |
| Weight distribution | |||
| fuel tank capacity | 72.7 litres | 16 [19.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Humber | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 4.1 litre 4086 cc (249.343 cu in) |
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| Bore × Stroke | 85 × 120 mm
3.35 × 4.72 in |
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| Bore/stroke ratio | 0.71 | ||
| Valve gear | side valve (SV)
2 valves per cylinder 12 valves in total |
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| maximum power output | 101 PS (100 bhp) (75 kW) at 3400 rpm |
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| maximum torque | |||
| Specific output | 18.3 kW/litre 24.8 ps/litre 24.5 bhp/litre 0.4 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | |||
| Fuel system | |||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 681 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 12.2 s | ||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 21.8 s | ||
| Standing kilometre | |||
| Maximum speed | 130 km/h (81 mph) | ||
| Power-to-weight ratio | Higher is better 53.22 PS/tonne (1000 kg) 0.05 PS/kg 39.14 kW/tonne (1000 kg) 0.04 kW/kg 52.49 bhp/tonne (1000 kg) 0.05 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 25.55 kg/kW 42.67 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 | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | 13.70 m | ||
| Front suspension | I.TL. | ||
| Rear suspension | LA.SE. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 4.30 | ||
| general | |||
| Carfolio.com ID | 83886 | ||
| Production total | |||
| Model code | |||
| RAC rating | 26.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1938 Humber Imperial added 2001-07-24. Last modified 2013-02-28. |
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