The Caterham Seven 420 is a roadster-bodied car with a front mounted engine driving through the rear wheels.
Its 4 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 2 litres. In this application it develops power and torque figures of 210 bhp (213 PS/157 kW) at 7600 rpm and 203 Nm (150 lbft/20.7 kgm) at 6300 rpm respectively. Lubrication is of the dry sump-type.
The engine drives the wheels through a 5 speed manual transmission.
Its quoted kerb weight is 560 kg.
The Caterham Seven 420 is said to be able to manage a maxiumum speed of 219 km/h (136 mph).
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater roadster | ||
| Nombre de portes | 0 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2225 | 87.6 | |
| Voies AV | |||
| Voies AR | |||
| Longueur | 3100 | 122 | |
| Largeur | 1575 | 62 | |
| Hauteur | 990 | 39 | |
| Garde au sol | |||
| 1.39 | |||
| Poids avec pleins | 560 kg | 1235 | |
| Répartition poids AV | |||
| Réservoir à essence | 36 litres | 7.9 [9.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Ford | ||
| Type moteur | |||
| Cylinders | Straight 4 | ||
| Cylindrée | 2 litre 1999 cc (121.986 cu in) |
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| Alésage × Course | 87.5 × 83.1 mm
3.44 × 3.27 in |
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| Rapport alésage / course | 1.05 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale | 213 PS (210 bhp) (157 kW) à 7600 tr/mn |
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| Couple maximale | 203 Nm (150 ft·lb) (20.7 kgm) à 6300 tr/mn |
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| Specific output | 78.3 kW/litre 106.5 ps/litre 105.1 bhp/litre 1.72 bhp/cu in |
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101.55 Nm/litre
1.23 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter sec | ||
| Taux de compression | 10.8:1 | ||
| Carburant | |||
| bmep (brake mean effective pressure) | 1276.1 kPa (185.1 psi) | ||
| Régime maximal | 7600 tr/mn | ||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 499.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | 3.8 s | ||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 219 km/h (136 mph) | ||
| Power-to-weight ratio | Higher is better 380.21 PS/tonne (1000 kg) 0.38 PS/kg 279.64 kW/tonne (1000 kg) 0.28 kW/kg 375 bhp/tonne (1000 kg) 0.38 bhp/kg 0.17 bhp/lb |
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| Weight-to-power ratio | Lower is better 3.58 kg/kW 5.97 lb/bhp |
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| Consommation | |||
| Consommation | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | I.DW.CS.ARB. | ||
| Suspension AR | dD.RA. | ||
| Roues AV | |||
| Roues AR | |||
| Pneumatiques AV | 185/60 x 14 | ||
| Pneumatiques AR | 185/60 x 14 | ||
| Freins AV/AR | Di/Di | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 5 speed manual | ||
| Rapport de démultiplication supérieure | 0.81 | ||
| Rapport de pont | 3.92 | ||
| Généralités | |||
| Carfolio.com ID | 530365 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 19.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2015 Caterham Seven 420 added 2017-10-01. Last modified 2020-04-30. |
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