The Rosengart LR4SA Ariette is a saloon (sedan) with 2 doors and a front mounted engine which supplies its power through the rear wheels.
Power is produced by a side valve, 0.7 litre naturally aspirated 4 cylinder engine, with 2 valves per cylinder that produces power and torque figures of 21 bhp (21.3 PS/15.7 kW) at 4000 rpm and 39 N·m (28.8 lb·ft/4 kgm) at 3000 rpm respectively.
The engine delivers its power through to the wheels via a 4 speed manual transmission.
Its quoted kerb weight is 720 kg.
Maximum quoted speed is 90 km/h, which equates to 56 mph.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater sedan/saloon | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2250 | 88.6 | |
| Voies AV | 1200 | 47.2 | |
| Voies AR | 1200 | 47.2 | |
| Longueur | 3900 | 153.5 | |
| Largeur | 1480 | 58.3 | |
| Hauteur | 1430 | 56.3 | |
| Garde au sol | 160 | 6.3 | |
| 1.73 | |||
| Poids avec pleins | 720 kg | 1587 | |
| Répartition poids AV | |||
| Réservoir à essence | 27 litres | 5.9 [7.1] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | |||
| Type moteur | |||
| Cylinders | Straight 4 | ||
| Cylindrée | 0.7 litre 747 cc (45.585 cu in) |
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| Alésage × Course | 55.9 × 76.2 mm
2.2 × 3 in |
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| Rapport alésage / course | 0.73 | ||
| Distribution | side valve (SV)
2 Soupapes par cylindre 8 Total vannes |
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| Puissance maximale | 21.3 PS (21 bhp) (15.7 kW) à 4000 tr/mn |
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| Couple maximale | 39 Nm (28.8 ft·lb) (4 kgm) à 3000 tr/mn |
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| Specific output | 21 kW/litre 28.5 ps/litre 28.1 bhp/litre 0.46 bhp/cu in |
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52.21 Nm/litre
0.63 ft·lb/cu3 |
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| Construction | |||
| Lubrification | |||
| Taux de compression | 6.75:1 | ||
| Carburant | 1 Solex 26 GNF carburettor | ||
| bmep (brake mean effective pressure) | 656.1 kPa (95.2 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 186.75 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 | 90 km/h (56 mph) | ||
| Power-to-weight ratio | Higher is better 29.57 PS/tonne (1000 kg) 0.03 PS/kg 21.75 kW/tonne (1000 kg) 0.02 kW/kg 29.17 bhp/tonne (1000 kg) 0.03 bhp/kg 0.01 bhp/lb |
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| Weight-to-power ratio | Lower is better 45.98 kg/kW 76.8 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 | 145 x 400 | ||
| Pneumatiques AR | 145 x 400 | ||
| Freins AV/AR | Dr/Dr | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 4 speed manual | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 5.55 | ||
| Généralités | |||
| Carfolio.com ID | 229009 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 7.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1952 Rosengart LR4SA Ariette added 2011-01-11. Last modified 2020-02-02. |
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