The 7 Superlight R400 is a rear wheel drive roadster motor vehicle with a front mounted engine, sold by Caterham.
Its 4 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 1.8 litres. For this model it produces power and torque figures of 200 bhp (203 PS/149 kW) at 7500 rpm and 210 Nm (155 lbft/21.4 kgm) at 5750 rpm respectively.
The engine supplies its power through to the wheels via a 6 speed manual transmission.
Stated kerb weight is 490 kg.
The Caterham 7 Superlight R400 is claimed to manage a maxiumum speed of 225 km/h or 140 mph.
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 | 2225 | 87.6 | |
| Vía delantera | |||
| Vía trasera | |||
| Longitud | 3100 | 122 | |
| Ancho | 1575 | 62 | |
| Altura | 800 | 31.5 | |
| Despeje del suelo | |||
| Relación Largo:Dist.entre ejes | 1.39 | ||
| Peso en vacío | 490 kg | 1080 | |
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | |||
| Aerodinámica | |||
| Coeficiente de penetración | |||
| Superficie frontal | |||
| SCx | |||
| Tren motriz | |||
| naturally aspirated petrol | |||
| Fabricante del motor | Rover | ||
| Código de motor | |||
| Número de cilindros | Straight 4 | ||
| Cilindrada | 1.8 litre 1796 cc (109.599 cu in) |
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| Diámetro × Carrera | 80 × 89.3 mm
3.15 × 3.52 in |
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| Relación diámetro/carrera | 0.9 | ||
| Distribución | double overhead camshaft (DOHC)
4 válvulas por cilindro 16 Total de válvulas |
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| Potencia nominal | 203 PS (200 bhp) (149 kW) a 7500 rpm |
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| Par motor máximo | 210 Nm (155 ft·lb) (21.4 kgm) a 5750 rpm |
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| Potencia específica | 83 kW/litre 112.9 ps/litre 111.4 bhp/litre 1.82 bhp/cu in |
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116.93 Nm/litre
1.41 ft·lb/cu3 |
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| Materiales de block / culata | |||
| Lubricación | |||
| Relación de compresión | |||
| Alimentación | EFi | ||
| 1469.3 kPa (213.1 psi) | |||
| Maximum RPM | |||
| Casquillos de cigüeñal | |||
| Engine coolant | Water | ||
| 449 cc | |||
| Aspiración | Normal | ||
| Compresor | N/A | ||
| intercooler | None | ||
| catalizador | Y | ||
| Rendimiento | |||
| 0-80km/h | |||
| 0-60mph | 3.9 s | ||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Velocidad máxima | 225 km/h (140 mph) | ||
| Power-to-weight ratio | Higher is better 413.84 PS/tonne (1000 kg) 0.41 PS/kg 304.37 kW/tonne (1000 kg) 0.3 kW/kg 408.16 bhp/tonne (1000 kg) 0.41 bhp/kg 0.18 bhp/lb |
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| Weight-to-power ratio | Lower is better 3.29 kg/kW 5.49 lb/bhp |
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| 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 | 1.930 | ||
| Turning circle | |||
| Suspensión delantera | I.W.ARB. | ||
| Suspensión trasera | dD.WL.CS.ARB. | ||
| Ruedas delante | 6J x 15 | ||
| Ruedas detrás | 7J x 15 | ||
| Neumáticos delante | |||
| Neumáticos detrás | |||
| Brakes F/R | VeDi/Di | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Transmisión | 6 speed manual | ||
| Eje trasero desmultiplicación | 1 | ||
| Desmultiplicación grupo cónico | 3.62 | ||
| General | |||
| Carfolio.com ID | 118129 | ||
| Unidades producidas | |||
| Model code | |||
| RAC rating | 15.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2003 Caterham 7 Superlight R400 added 2004-01-15. Last modified 2013-02-28. |
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