Alfa Romeo Tipo 312

Alfa Romeo Tipo 312
	Gianfranco Comotti; Piero Taruffi; Pietro Ghersi
Debut	1938 Tripoli Grand Prix
18	0

The Alfa Romeo Tipo 312, 312 or 12C-312 was a 3-litre formula racing car that was used in the 1938 Grand Prix season; drivers were

Tipo 312 was one of three Alfa Romeo cars designed for the new rules in 1938, which differed mainly by the engine; the other two cars were the Alfa Romeo Tipo 308 with straight-8 engine and Alfa Romeo Tipo 316 with a V16 engine. The car was based on unsuccessful Alfa Romeo 12C-37; it was made easier to control than its predecessor. The engine in 312 is 3-litre 60° V-12 with roots supercharger, 2 valves/cyl, 2,995 cc (182.8 cu in) capacity 66 mm × 73 mm (2.60 in × 2.87 in) produced 320 bhp (239 kW) at 6500 rpm; it was more powerful than 308 but it was still not really competitive with German rivals.

Technical Data

Technical data	Tipo 308	Tipo 312	Type 316
Engine:	8-cylinder in-line engine	12-cylinder 60° V-engine	16-cylinder 60° V-engine
displacement:	2991 cm³	2995 cm³	2958 cm³
Bore x stroke:	69 x 100mm	66 x 73mm	58 x 70 mm
Max power:	295 hp	320 hp	350 hp
Valve control:	2 overhead camshafts per cylinder row, 2 valves per cylinder
Upload:	Roots compressor
Gearbox :	4-speed manual, transaxle
suspension front:	Individual type Dubonnet, coil springs
suspension rear:	Pendulum axis, transverse leaf spring
Brakes:	Hydraulic drum brakes
body :	Crate beam frame with aluminumbody	Fackverkframe with aluminum body
Wheelbase:	280 cm
Dry weight :	About 870 kg