The Dunn Light Roadster is a roadster with a front mounted engine which supplies its power to the rear wheels.
The 1.9 litre engine is an overhead valve, 4 cylinder unit that has an output of 14.5 bhp (14.7 PS/10.8 kW) of power.
A 2 speed manual gearbox supplies the power to the wheels.
Stated weight at the kerb is 272 kg.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater roadster | ||
| Nombre de portes | 0 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2134 | 84 | |
| Voies AV | 1118 | 44 | |
| Voies AR | 1118 | 44 | |
| Longueur | |||
| Largeur | |||
| Hauteur | |||
| Garde au sol | |||
| Poids avec pleins | 272 kg | 600 | |
| Répartition poids AV | |||
| Réservoir à essence | 18.9 litres | 4.2 [5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| Constructeur du moteur | |||
| Type moteur | |||
| Cylinders | V 4 in 30° vee | ||
| Cylindrée | 1.9 litre 1853 cc (113.077 cu in) |
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| Alésage × Course | 76.2 × 101.6 mm
3 × 4 in |
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| Rapport alésage / course | 0.75 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 8 Total vannes |
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| Puissance maximale | 14.7 PS (14.5 bhp) (10.8 kW) |
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| Couple maximale | |||
| Specific output | 5.8 kW/litre 7.9 ps/litre 7.8 bhp/litre 0.13 bhp/cu in |
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| Construction | |||
| Lubrification | |||
| Taux de compression | |||
| Carburant | |||
| bmep (brake mean effective pressure) | |||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Air | ||
| Cylindrée Unitaire | 463.25 cc | ||
| Aspiration | |||
| Compressor | |||
| Intercooler | |||
| Catalyseur | |||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | |||
| Power-to-weight ratio | Higher is better 54.05 PS/tonne (1000 kg) 0.05 PS/kg 39.75 kW/tonne (1000 kg) 0.04 kW/kg 53.31 bhp/tonne (1000 kg) 0.05 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 25.16 kg/kW 42.02 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 | |||
| Suspension AR | |||
| Roues AV | |||
| Roues AR | |||
| Pneumatiques AV | 28 x 2½ | ||
| Pneumatiques AR | 28 x 2½ | ||
| Freins AV/AR | |||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 2 speed manual | ||
| Rapport de démultiplication supérieure | |||
| Rapport de pont | |||
| Généralités | |||
| Carfolio.com ID | 305371 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 14.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1915 Dunn Light Roadster added 2013-01-27. Last modified 2020-02-02. |
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