The Twelve Formal Sedan is a rear wheel drive saloon (sedan) motor car with a front located engine, from Packard.
The Twelve Formal Sedan forms part of Packard's 1407 family of cars.
Its 7.8 litre engine is a naturally aspirated, side valve, 12 cylinder unit that produces 175 bhp (177 PS/130 kW) of power at 3200 rpm.
The engine powers the wheels compliments of a 3 speed manual 'box.
Quoted weight at the kerb is 2365 kg.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater sedan/saloon | ||
| Nombre de portes | 4 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 3537 | 139.3 | |
| Voies AV | 1524 | 60 | |
| Voies AR | 1549 | 61 | |
| Longueur | 5544 | 218.3 | |
| Largeur | 1880 | 74 | |
| Hauteur | 1803 | 71 | |
| Garde au sol | |||
| 1.57 | |||
| Poids avec pleins | 2365 kg | 5214 | |
| Répartition poids AV | |||
| Réservoir à essence | 113.7 litres | 25 [30] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Packard | ||
| Type moteur | |||
| Cylinders | V 12 in 67° vee | ||
| Cylindrée | 7.8 litre 7758 cc (473.422 cu in) |
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| Alésage × Course | 87.3 × 108 mm
3.44 × 4.25 in |
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| Rapport alésage / course | 0.81 | ||
| Distribution | side valve (SV)
2 Soupapes par cylindre 24 Total vannes |
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| Puissance maximale | 177 PS (175 bhp) (130 kW) à 3200 tr/mn |
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| Couple maximale | |||
| Specific output | 16.8 kW/litre 22.9 ps/litre 22.6 bhp/litre 0.37 bhp/cu in |
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| Construction | |||
| Lubrification | |||
| Taux de compression | 6.4:1 | ||
| Carburant | 1 Packard Stromberg carburettor | ||
| bmep (brake mean effective pressure) | |||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 4 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 646.5 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 75.02 PS/tonne (1000 kg) 0.08 PS/kg 55.18 kW/tonne (1000 kg) 0.06 kW/kg 74 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 18.12 kg/kW 30.27 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 | 5.000 | ||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | |||
| Roues AR | |||
| Pneumatiques AV | 7.50 x 17 | ||
| Pneumatiques AR | 7.50 x 17 | ||
| Freins AV/AR | Dr/Dr-S | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 3 speed manual | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 4.41 | ||
| Généralités | |||
| Carfolio.com ID | 449416 | ||
| Production total | |||
| Type mines | |||
| 1407 | |||
| RAC rating | 56.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1935 Packard Twelve Formal Sedan added 2015-12-30. Last modified 2020-03-16. |
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