The Triumph TR7 5-speed is a rear wheel drive car, with its engine positioned in the front, and a 2 door coupé bodyshell designed by Harris Mann.
The 4 cylinder, single overhead camshaft naturally aspirated engine has 2 valves per cylinder and a capacity of 2 litres. In this application it musters power and torque figures of 105 bhp (106 PS/78 kW) at 5500 rpm and 161 Nm (119 lbft/16.4 kgm) at 3500 rpm respectively.
The engine transmits power to the wheels through a 5 speed manual transmission.
Its claimed weight at the kerb is 1048 kg.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | Harris Mann | ||
| Dimensions et poids | |||
| Empattement | 2160 | 85 | |
| Voies AV | 1410 | 55.5 | |
| Voies AR | 1410 | 55.5 | |
| Longueur | 4067 | 160.1 | |
| Largeur | 1681 | 66.2 | |
| Hauteur | 1267 | 49.9 | |
| Garde au sol | 90 | 3.5 | |
| 1.88 | |||
| Poids avec pleins | 1048 kg | 2310 | |
| Répartition poids AV | |||
| Réservoir à essence | 55 litres | 12.1 [14.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Triumph | ||
| Type moteur | |||
| Cylinders | Straight 4 | ||
| Cylindrée | 2 litre 1998 cc (121.925 cu in) |
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| Alésage × Course | 90.3 × 78 mm
3.56 × 3.07 in |
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| Rapport alésage / course | 1.16 | ||
| Distribution | single overhead camshaft (SOHC)
2 Soupapes par cylindre 8 Total vannes |
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| Puissance maximale (DIN) |
106 PS (105 bhp) (78 kW) à 5500 tr/mn |
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| Couple maximale (DIN) |
161 Nm (119 ft·lb) (16.4 kgm) à 3500 tr/mn |
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| Specific output (DIN) |
39.2 kW/litre 53.3 ps/litre 52.6 bhp/litre 0.86 bhp/cu in |
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(DIN) |
80.58 Nm/litre
0.97 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 9.25:1 | ||
| Carburant | 2 SU carbs | ||
| bmep (brake mean effective pressure) | 1012.6 kPa (146.9 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 499.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | N | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | |||
| Power-to-weight ratio | Higher is better 101.58 PS/tonne (1000 kg) 0.1 PS/kg 74.71 kW/tonne (1000 kg) 0.07 kW/kg 100.19 bhp/tonne (1000 kg) 0.1 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 13.38 kg/kW 22.36 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 | 3.870 | ||
| Turning circle | |||
| Suspension AV | I.MS.LW.ARB. | ||
| Suspension AR | LA.TA.STA.CS.ARB. | ||
| Roues AV | |||
| Roues AR | |||
| Pneumatiques AV | |||
| Pneumatiques AR | |||
| Freins AV/AR | Di/Dr-S | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 5 speed manual | ||
| Rapport de démultiplication supérieure | 0.83 | ||
| Rapport de pont | 3.90 | ||
| Généralités | |||
| Carfolio.com ID | 86174 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 20.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1978 Triumph TR7 5-speed added before December 1995. Last modified 2013-02-28. |
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