The GMA T.33 Spider is a 2 door convertible/cabriolet style car styled by Gordon Murray with a mid mounted engine powering the rear wheels.
Its 12 cylinder, double overhead camshaft naturally aspirated powerplant has 4 valves per cylinder and a displacement of 4 litres. For this model it produces power and torque figures of 609 bhp (617 PS/454 kW) at 10250 rpm and 451 Nm (333 lbft/46 kgm) at 6750 rpm respectively. Lubrication is of the dry sump-type.
The power is transferred to the wheels through a 6 speed manual gearbox.
It weighs a claimed 1108 kg at the kerb.
Maximum claimed speed is 335 km/h, or 208 mph.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | Gordon Murray | ||
| Dimensions et poids | |||
| Empattement | 2735 | 107.7 | |
| Voies AV | 1591 | 62.6 | |
| Voies AR | 1530 | 60.2 | |
| Longueur | 4398 | 173.1 | |
| Largeur | 1850 | 72.8 | |
| Hauteur | 1135 | 44.7 | |
| Garde au sol | 120 | 4.7 | |
| 1.61 | |||
| Poids avec pleins | 1108 kg | 2443 | |
| Répartition poids AV | |||
| Réservoir à essence | 75 litres | 16.5 [19.8] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Cosworth | ||
| Type moteur | Cosworth GMA.2 | ||
| Cylinders | V 12 in 65° vee | ||
| Cylindrée | 4 litre 3994 cc (243.729 cu in) |
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| Alésage × Course | 81.5 × 63.8 mm
3.21 × 2.51 in |
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| Rapport alésage / course | 1.28 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 48 Total vannes |
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| Puissance maximale | 617 PS (609 bhp) (454 kW) à 10250 tr/mn |
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| Couple maximale | 451 Nm (333 ft·lb) (46 kgm) à 6750 tr/mn |
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| Specific output | 113.7 kW/litre 154.6 ps/litre 152.5 bhp/litre 2.5 bhp/cu in |
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112.92 Nm/litre
1.36 ft·lb/cu3 |
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| Construction | aluminium alloy block & head | ||
| Lubrification | Carter sec | ||
| Taux de compression | 14:1 | ||
| Carburant | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1419 kPa (205.8 psi) | ||
| Régime maximal | 11100 tr/mn | ||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 332.83 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 335 km/h (208 mph) | ||
| Power-to-weight ratio | Higher is better 557.28 PS/tonne (1000 kg) 0.56 PS/kg 409.87 kW/tonne (1000 kg) 0.41 kW/kg 549.64 bhp/tonne (1000 kg) 0.55 bhp/kg 0.25 bhp/lb |
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| Weight-to-power ratio | Lower is better 2.44 kg/kW 4.08 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 | mid | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 8½ x 19 | ||
| Roues AR | 10½ x 20 | ||
| Pneumatiques AV | Michelin Pilot Sport 4 235/35 R 19 | ||
| Pneumatiques AR | Michelin Pilot Sport 4 295/30 R 20 | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 370 mm | ||
| Diamètre des freins AR | 340 mm | ||
| Braked area | |||
| Transmission | 6 speed manual | ||
| Rapport de démultiplication supérieure | |||
| Rapport de pont | |||
| Généralités | |||
| Carfolio.com ID | 795212 | ||
| Production total | 100 | ||
| Type mines | |||
| RAC rating | 49.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2023 GMA T.33 Spider added 2023-04-04. Last modified 2023-04-04. |
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