The Alfa Romeo RL Normale 21/70 hp is a 4 door tourer-bodied car with a front positioned engine powering the rear wheels.
It is powered by a naturally aspirated engine of 2.9 litre capacity. This unit features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It develops 56 bhp (57 PS/42 kW) of power at 3200 rpm.
The engine transfers its power through to the wheels via a 4 speed manual gearbox.
It weighs a quoted 1829 kg at the kerb.
Its maximum speed quoted is 110 km/h (68 mph).
Full specs
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| Carrosserie | |||
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| Carrosserie | 4/5 seater tourer | ||
| Nombre de portes | 4 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 3430 | 135 | |
| Voies AV | 1461 | 57.5 | |
| Voies AR | 1461 | 57.5 | |
| Longueur | |||
| Largeur | |||
| Hauteur | |||
| Garde au sol | |||
| Poids avec pleins | 1829 kg | 4032 | |
| Répartition poids AV | |||
| Réservoir à essence | 72.7 litres | 16 [19.2] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Alfa Romeo | ||
| Type moteur | |||
| Cylinders | Straight 6 | ||
| Cylindrée | 2.9 litre 2916 cc (177.945 cu in) |
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| Alésage × Course | 75 × 110 mm
2.95 × 4.33 in |
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| Rapport alésage / course | 0.68 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 12 Total vannes |
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| Puissance maximale | 57 PS (56 bhp) (42 kW) à 3200 tr/mn |
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| Couple maximale | |||
| Specific output | 14.3 kW/litre 19.5 ps/litre 19.2 bhp/litre 0.31 bhp/cu in |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 5.2:1 | ||
| Carburant | 1 carburettor | ||
| bmep (brake mean effective pressure) | |||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 4 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 486 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 | 110 km/h (68 mph) | ||
| Power-to-weight ratio | Higher is better 31.04 PS/tonne (1000 kg) 0.03 PS/kg 22.83 kW/tonne (1000 kg) 0.02 kW/kg 30.62 bhp/tonne (1000 kg) 0.03 bhp/kg 0.01 bhp/lb |
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| Weight-to-power ratio | Lower is better 43.8 kg/kW 73.16 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 | LA.SE. | ||
| Suspension AR | LA.SE. | ||
| Roues AV | |||
| Roues AR | |||
| Pneumatiques AV | 860 x 160 | ||
| Pneumatiques AR | 860 x 160 | ||
| Freins AV/AR | Dr/Dr | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 4 speed manual | ||
| Rapport de démultiplication supérieure | |||
| Rapport de pont | |||
| Généralités | |||
| Carfolio.com ID | 187935 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 20.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1922 Alfa Romeo RL Normale 21/70 hp added 2008-09-16. Last modified 2013-02-28. |
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