Fairthorpe Atom Mark IIA is an automobile that has a 2 door coupé type body with a rear mounted engine supplying power to the rear wheels.
Its engine is a naturally aspirated petrol, 0.3 litre, two stroke 2 cylinder. This powerplant develops 15 bhp (15.2 PS/11.2 kW) of power at 4800 rpm.
A 3 speed manual 'box delivers the power to the wheels.
Its claimed weight at the kerb is 417 kg.
Full specs
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| bodywork | |||
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| Body type | 2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2261 mm | 89 inches | |
| Track/tread (front) | 1143 mm | 45 inches | |
| Track/tread (rear) | 1219 mm | 48 inches | |
| Length | 3658 mm | 144 inches | |
| Width | 1524 mm | 60 inches | |
| Height | 1372 mm | 54 inches | |
| Ground clearance | 191 mm | 7.5 inches | |
| length:wheelbase ratio | 1.62 | ||
| Kerb weight | 417 kg | 919 lb | |
| Weight distribution | |||
| fuel tank capacity | 20.5 litres | 4.5 [5.4] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Anzani | ||
| Engine code | |||
| Cylinders | Straight 2 | ||
| Capacity | 0.3 litre 322 cc (19.65 cu in) |
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| Bore × Stroke | 60 × 57 mm
2.36 × 2.24 in |
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| Bore/stroke ratio | 1.05 | ||
| Valve gear | two stroke (TS) | ||
| maximum power output (Net) |
15.2 PS (15 bhp) (11.2 kW) at 4800 rpm |
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| maximum torque (Net) |
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| Specific output (Net) |
34.7 kW/litre 47.2 ps/litre 46.6 bhp/litre 0.76 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 6.1:1 | ||
| Fuel system | 1 Am carb | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Air | ||
| Unitary capacity | 161 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 36.47 PS/tonne (1000 kg) 0.04 PS/kg 26.82 kW/tonne (1000 kg) 0.03 kW/kg 35.97 bhp/tonne (1000 kg) 0.04 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 37.28 kg/kW 62.27 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 | I.CS. | ||
| Rear suspension | I.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 6.96 | ||
| general | |||
| Carfolio.com ID | 46970 | ||
| Production total | |||
| Model code | |||
| RAC rating | 4.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1955 Fairthorpe Atom Mark IIA added before December 1995. Last modified 2013-02-28. |
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