The 4-20 Roadster is a rear wheel drive roadster car with a front mounted engine, sold by Harvard.
Its engine is a naturally aspirated petrol, 2 litre, overhead valve 4 cylinder with 2 valves per cylinder.
The power is supplied to the wheels by means of a 3 speed manual gearbox.
Its quoted kerb weight is 454 kg.
Full specs
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| Carrocería | |||
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| Carrocería | 2 seater roadster | ||
| Número de puertas | 2 | ||
| diseñado por | |||
| Dimensiones y pesos | |||
| Distancia entre ejes | 2540 | 100 | |
| Vía delantera | 1118 | 44 | |
| Vía trasera | 1118 | 44 | |
| Longitud | |||
| Ancho | |||
| Altura | |||
| Despeje del suelo | |||
| Relación Largo:Dist.entre ejes | |||
| Peso en vacío | 454 kg | 1001 | |
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | 26.5 litres | 5.8 [7] UK [US] gal. | |
| Aerodinámica | |||
| Coeficiente de penetración | |||
| Superficie frontal | |||
| SCx | |||
| Tren motriz | |||
| naturally aspirated petrol | |||
| Fabricante del motor | Sterling | ||
| Código de motor | |||
| Número de cilindros | Straight 4 | ||
| Cilindrada | 2 litre 1969 cc (120.156 cu in) |
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| Diámetro × Carrera | 76.2 × 107.95 mm
3 × 4.25 in |
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| Relación diámetro/carrera | 0.71 | ||
| Distribución | overhead valve (OHV)
2 válvulas por cilindro 8 Total de válvulas |
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| Potencia nominal | |||
| Par motor máximo | |||
| Materiales de block / culata | |||
| Lubricación | |||
| Relación de compresión | |||
| Alimentación | 1 Zenith carburettor | ||
| Maximum RPM | |||
| Casquillos de cigüeñal | 2 | ||
| Engine coolant | Water | ||
| 492.25 cc | |||
| Aspiración | Normal | ||
| Compresor | N/A | ||
| intercooler | None | ||
| catalizador | N | ||
| Rendimiento | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Velocidad máxima | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| Consumos | |||
| Consumo de combustible | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emisiones de CO2 | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Chasis | |||
| Ubicación del motor | front | ||
| Engine layout | longitudinal | ||
| Tracción | rear wheel drive | ||
| Alimentación | N/A | ||
| Dirección, tipo | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspensión delantera | |||
| Suspensión trasera | |||
| Ruedas delante | |||
| Ruedas detrás | |||
| Neumáticos delante | 28 x 3 | ||
| Neumáticos detrás | 28 x 3 | ||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Transmisión | 3 speed manual | ||
| Eje trasero desmultiplicación | 1 | ||
| Desmultiplicación grupo cónico | 4.00 | ||
| General | |||
| Carfolio.com ID | 215149 | ||
| Unidades producidas | |||
| Model code | |||
| RAC rating | 14.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1915 Harvard 4-20 Roadster added 2010-06-04. Last modified 2013-02-28. |
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