National Sextet Sedan is a car that has a 4 door saloon (sedan) type body with a front located engine driving through the rear wheels.
The 5 litre engine is a naturally aspirated, overhead valve, 6 cylinder that produces 71 bhp (72 PS/53 kW) of power at 2600 rpm.
A 3 speed manual gearbox delivers the power to the driven wheels.
Full specs
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| bodywork | |||
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| Body type | 7 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3302 mm | 130 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 | |||
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | National | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 5 litre 4968 cc (303.166 cu in) |
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| Bore × Stroke | 88.9 × 133.4 mm
3.5 × 5.25 in |
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| Bore/stroke ratio | 0.67 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output | 72 PS (71 bhp) (53 kW) at 2600 rpm |
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| maximum torque | |||
| Specific output | 10.7 kW/litre 14.5 ps/litre 14.3 bhp/litre 0.23 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | |||
| Fuel system | 1 Rayfield carburettor | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | 3 | ||
| Engine coolant | Water | ||
| Unitary capacity | 828 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 | |||
| Weight-to-power ratio | |||
| 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 | 32 x 4½ | ||
| Tyres rear | 32 x 4½ | ||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 4.08 | ||
| general | |||
| Carfolio.com ID | 214038 | ||
| Production total | |||
| Model code | |||
| RAC rating | 29.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1921 National Sextet Sedan added 2010-05-18. Last modified 2013-02-28. |
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