The Fairthorpe EM Mk IV is a convertible/cabriolet with 2 doors and a front mounted engine which transmits the power through the rear wheels.
It is powered by a naturally aspirated engine of 1.3 litre capacity. This unit features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 75 bhp (76 PS/56 kW) of power at 6000 rpm, and maximum torque of 102 N·m (75 lb·ft/10.4 kgm) at 4000 rpm.
The engine powers the wheels via a 4 speed manual transmission.
Its claimed weight at the kerb is 490 kg.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2134 | 84 | |
| Voies AV | 1220 | 48 | |
| Voies AR | 1220 | 48 | |
| Longueur | 3632 | 143 | |
| Largeur | 1473 | 58 | |
| Hauteur | 1168 | 46 | |
| Garde au sol | 102 | 4 | |
| 1.7 | |||
| Poids avec pleins | 490 kg | 1080 | |
| Répartition poids AV | |||
| Réservoir à essence | 40.9 litres | 9 [10.8] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Triumph | ||
| Type moteur | |||
| Cylinders | Straight 4 | ||
| Cylindrée | 1.3 litre 1296 cc (79.087 cu in) |
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| Alésage × Course | 73.7 × 76 mm
2.9 × 2.99 in |
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| Rapport alésage / course | 0.97 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 8 Total vannes |
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| Puissance maximale (DIN) |
76 PS (75 bhp) (56 kW) à 6000 tr/mn |
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| Couple maximale (DIN) |
102 Nm (75 ft·lb) (10.4 kgm) à 4000 tr/mn |
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| Specific output (DIN) |
43.2 kW/litre 58.7 ps/litre 57.9 bhp/litre 0.95 bhp/cu in |
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(DIN) |
78.7 Nm/litre
0.95 ft·lb/cu3 |
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| Construction | |||
| Lubrification | |||
| Taux de compression | 9.5:1 | ||
| Carburant | 2 SU carbs | ||
| bmep (brake mean effective pressure) | 989 kPa (143.4 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 3 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 324 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 155.19 PS/tonne (1000 kg) 0.16 PS/kg 114.14 kW/tonne (1000 kg) 0.11 kW/kg 153.06 bhp/tonne (1000 kg) 0.15 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.76 kg/kW 14.63 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 | 4.500 | ||
| Turning circle | 7.00 m | ||
| Suspension AV | I.W.CS.ARB. | ||
| Suspension AR | LA.CS. | ||
| Roues AV | |||
| Roues AR | |||
| Pneumatiques AV | |||
| Pneumatiques AR | |||
| Freins AV/AR | Di/Dr | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | 1626 cm2 | ||
| Transmission | 4 speed manual | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 4.11 | ||
| Généralités | |||
| Carfolio.com ID | 46849 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 13.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1969 Fairthorpe EM Mk IV added before December 1995. Last modified 2013-02-28. |
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