The Riley 1½-Litre RM is a rear wheel drive vehicle, with its engine placed in the front, and a 4 door saloon bodyshell.
The 1.5 litre engine is a naturally aspirated, overhead valve, 4 cylinder that has an output of 55 bhp (56 PS/41 kW) of power at 4500 rpm, and maximum torque of 106 N·m (78 lb·ft/10.8 kgm) at 2500 rpm.
The engine transfers its power through to the wheels by means of a 4 speed manual transmission.
Quoted weight at the kerb is 1320 kg.
Maximum quoted speed is 120 km/h or 75 mph.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater sedan/saloon | ||
| Nombre de portes | 4 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2858 | 112.5 | |
| Voies AV | 1327 | 52.2 | |
| Voies AR | 1327 | 52.2 | |
| Longueur | 4547 | 179 | |
| Largeur | 1613 | 63.5 | |
| Hauteur | 1500 | 59.1 | |
| Garde au sol | 191 | 7.5 | |
| 1.59 | |||
| Poids avec pleins | 1320 kg | 2910 | |
| Répartition poids AV | 50.5% front | ||
| Réservoir à essence | 56.8 litres | 12.5 [15] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | 1.94 m² | ||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | |||
| Type moteur | |||
| Cylinders | Straight 4 | ||
| Cylindrée | 1.5 litre 1496 cc (91.292 cu in) |
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| Alésage × Course | 69 × 100 mm
2.72 × 3.94 in |
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| Rapport alésage / course | 0.69 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 8 Total vannes |
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| Puissance maximale | 56 PS (55 bhp) (41 kW) à 4500 tr/mn |
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| Couple maximale | 106 Nm (78 ft·lb) (10.8 kgm) à 2500 tr/mn |
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| Specific output | 27.4 kW/litre 37.3 ps/litre 36.8 bhp/litre 0.6 bhp/cu in |
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70.86 Nm/litre
0.86 ft·lb/cu3 |
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| Construction | |||
| Lubrification | |||
| Taux de compression | 6.8:1 | ||
| Carburant | 1 SU carb | ||
| bmep (brake mean effective pressure) | 890.4 kPa (129.1 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 374 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | N | ||
| Performances | |||
| 0-80km/h | 15.9 s | ||
| 0-60mph | 25.1 s | ||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | 22.8 s | ||
| 0-1000m | |||
| Vitesse | 120 km/h (75 mph) | ||
| Power-to-weight ratio | Higher is better 42.25 PS/tonne (1000 kg) 0.04 PS/kg 31.07 kW/tonne (1000 kg) 0.03 kW/kg 41.67 bhp/tonne (1000 kg) 0.04 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 32.18 kg/kW 53.76 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 | 9.10 m | ||
| Suspension AV | I.W.TB. | ||
| Suspension AR | LA.SE. | ||
| Roues AV | |||
| Roues AR | |||
| Pneumatiques AV | |||
| Pneumatiques AR | |||
| Freins AV/AR | Dr/Dr | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | 816 cm2 | ||
| Transmission | 4 speed manual | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 5.13 | ||
| Généralités | |||
| Carfolio.com ID | 48906 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 11.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1953 Riley 1½-Litre RM added before December 1995. Last modified 2013-02-28. |
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