The Lea-Francis 2½-Litre is a rear wheel drive motor vehicle, with the engine mounted in the front, and a 2 door convertible/cabriolet bodyshell.
Powering the Lea-Francis 2½-Litre is an overhead valve, 2.5 litre naturally aspirated 4 cylinder powerplant, with 2 valves per cylinder that develops power and torque figures of 125 bhp (127 PS/93 kW) at 5000 rpm and 193 N·m (142 lb·ft/19.7 kgm) at 2500 rpm respectively.
A 4 speed manual 'box transmits the power to the driven wheels.
Its claimed kerb weight is 1170 kg.
It is said to be able to achieve a top speed of 161 km/h, or 100 mph.
Full specs
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| Carrocería | |||
|---|---|---|---|
| Carrocería | 2 seater convertible/cabriolet | ||
| Número de puertas | 2 | ||
| diseñado por | |||
| Dimensiones y pesos | |||
| Distancia entre ejes | 2515 | 99 | |
| Vía delantera | 1334 | 52.5 | |
| Vía trasera | 1334 | 52.5 | |
| Longitud | 4191 | 165 | |
| Ancho | 1600 | 63 | |
| Altura | 1372 | 54 | |
| Despeje del suelo | 178 | 7 | |
| Relación Largo:Dist.entre ejes | 1.67 | ||
| Peso en vacío | 1170 kg | 2579 | |
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | 68.2 litres | 15 [18] UK [US] gal. | |
| Aerodinámica | |||
| Coeficiente de penetración | |||
| Superficie frontal | |||
| SCx | |||
| Tren motriz | |||
| naturally aspirated petrol | |||
| Fabricante del motor | Lea-Francis | ||
| Código de motor | |||
| Número de cilindros | Straight 4 | ||
| Cilindrada | 2.5 litre 2496 cc (152.315 cu in) |
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| Diámetro × Carrera | 85 × 110 mm
3.35 × 4.33 in |
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| Relación diámetro/carrera | 0.77 | ||
| Distribución | overhead valve (OHV)
2 válvulas por cilindro 8 Total de válvulas |
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| Potencia nominal | 127 PS (125 bhp) (93 kW) a 5000 rpm |
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| Par motor máximo | 193 Nm (142 ft·lb) (19.7 kgm) a 2500 rpm |
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| Potencia específica | 37.3 kW/litre 50.8 ps/litre 50.1 bhp/litre 0.82 bhp/cu in |
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77.32 Nm/litre
0.93 ft·lb/cu3 |
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| Materiales de block / culata | |||
| Lubricación | |||
| Relación de compresión | 8.7:1 | ||
| Alimentación | 2 SU carbs | ||
| 971.7 kPa (140.9 psi) | |||
| Maximum RPM | |||
| Casquillos de cigüeñal | |||
| Engine coolant | Water | ||
| 624 cc | |||
| Aspiración | Normal | ||
| Compresor | N/A | ||
| intercooler | None | ||
| catalizador | N | ||
| Rendimiento | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Velocidad máxima | 161 km/h (100 mph) | ||
| Power-to-weight ratio | Higher is better 108.32 PS/tonne (1000 kg) 0.11 PS/kg 79.67 kW/tonne (1000 kg) 0.08 kW/kg 106.84 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 12.55 kg/kW 20.97 lb/bhp |
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| Consumos | |||
| Consumo de combustible | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emisiones de CO2 | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Chasis | |||
| Ubicación del motor | front | ||
| Engine layout | longitudinal | ||
| Tracción | rear wheel drive | ||
| Alimentación | N/A | ||
| Dirección, tipo | |||
| turns lock-to-lock | |||
| Turning circle | 9.80 m | ||
| Suspensión delantera | I.TB. | ||
| Suspensión trasera | LA.SE. | ||
| Ruedas delante | |||
| Ruedas detrás | |||
| Neumáticos delante | |||
| Neumáticos detrás | |||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 1181 cm2 | ||
| Transmisión | 4 speed manual | ||
| Eje trasero desmultiplicación | 1 | ||
| Desmultiplicación grupo cónico | 3.64 | ||
| General | |||
| Carfolio.com ID | 62678 | ||
| Unidades producidas | |||
| Model code | |||
| RAC rating | 17.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1949 Lea-Francis 2½-Litre added before December 1995. Last modified 2013-02-28. |
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