 4 May 1952: Giovanni Bracco and Alfonso Rolfo win the Mille Miglia |
 Model 250 S
Number of cylinders and arrangement 12 in 60° V.
Bore and stroke 73 x 58.8 mm.
Unitary and total capacity 246.1 / 2,953.21 cc.
Position Front longitudinal.
Cylinder block and head Light alloy.
Compression ratio 9:1.
Max. power output 230 bhp at 7,500 rpm; 75 bhp/litre.
Timing gear 2 valves per cylinder, 1 overhead camshaft.
Fuel feed 3 Weber 36 DCF carburettors.
Ignition Single, coil-ignition with 2 distributors.
Clutch Dry, single-plate.
Gearbox 5 speeds + reverse.
Differential Conventional.
Type and material Monobloc in elliptic section steel tubes.
Front suspension Independent, double wishbones, transverse lower leaf spring.
Rear suspension Live axle, longitudinal semi-elliptic leaf springs.
Brakes Drums, hydraulic control.
Fuel tank 150 litres.
Cooling system 1 front radiator.
Wheelbase and front/rear track 2,250 / 1,278 / 1,250 mm.
Weight empty 850 kg.
Tyres 5.50-16, rear 6.00-16.
Top speed 250 km/h.
Model 250 S Le Mans.
Fuel feed 3 Weber 36 IF 4/C carburettors.
250 S (1956).
Compression ratio 9 1.
Max. power output 240 bhp at 7,500 rpm.
Fuel feed 3 Weber 40 DCZ carburettors.
Ignition Double, coil.
|
