The Earl Model 40 Roadster is a roadster with 2 doors and a front mounted powerplant which transmits its power to the rear wheels.
It is powered by a naturally aspirated engine of 3.2 litre capacity. This powerplant features side valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 37.5 bhp (38 PS/28 kW) of power at 2400 rpm.
A 3 speed manual 'box supplies the power to the driven wheels.
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 | 2845 | 112 | |
| Vía delantera | |||
| Vía trasera | |||
| Longitud | |||
| Ancho | |||
| Altura | |||
| Despeje del suelo | |||
| Relación Largo:Dist.entre ejes | |||
| Peso en vacío | |||
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | |||
| Aerodinámica | |||
| Coeficiente de penetración | |||
| Superficie frontal | |||
| SCx | |||
| Tren motriz | |||
| naturally aspirated petrol | |||
| Fabricante del motor | Earl | ||
| Código de motor | |||
| Número de cilindros | Straight 4 | ||
| Cilindrada | 3.2 litre 3194 cc (194.91 cu in) |
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| Diámetro × Carrera | 87.31 × 133.35 mm
3.44 × 5.25 in |
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| Relación diámetro/carrera | 0.65 | ||
| Distribución | side valve (SV)
2 válvulas por cilindro 8 Total de válvulas |
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| Potencia nominal | 38 PS (37.5 bhp) (28 kW) a 2400 rpm |
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| Par motor máximo | |||
| Potencia específica | 8.8 kW/litre 11.9 ps/litre 11.7 bhp/litre 0.19 bhp/cu in |
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| Materiales de block / culata | |||
| Lubricación | |||
| Relación de compresión | 4.3:1 | ||
| Alimentación | 1 Scoe carburettor | ||
| Maximum RPM | |||
| Casquillos de cigüeñal | 3 | ||
| Engine coolant | Water | ||
| 798.5 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 | 32 x 4 | ||
| Neumáticos detrás | 32 x 4 | ||
| Brakes F/R | -/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | 356 mm | ||
| Braked area | |||
| Transmisión | 3 speed manual | ||
| Eje trasero desmultiplicación | 1 | ||
| Desmultiplicación grupo cónico | 4.66 | ||
| General | |||
| Carfolio.com ID | 299277 | ||
| Unidades producidas | |||
| Model code | |||
| RAC rating | 18.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1921 Earl Model 40 Roadster added 2012-12-17. Last modified 2020-02-02. |
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