Montecarlo, 7 May 1967: Lorenzo Bandini in the Monaco Grand Prix |
Model 312 F1 - 1967
Formula 1 racing car.
Years of activity 1967.
First race Brands Hatch Champions Race of 12.3.1967.
Engine Type 242. Rear-mounted. 12 cylinders in 60° V (derived from 237), light alloy cylinder block and head, press-fitted special cast iron cylinder liners, 112 mm connecting rod, water cooled.
Bore and stroke 77 x 53.5 mm.
Unitary and total capacity 249.1297 / 2,989.556 cc.
Compression ratio 11:1.
Max. power output 390 bhp at 10,000 rpm.
Timing gear 3 valves per cylinder (2 intake), 2 overhead camshafts per bank of cylinders, chain drive.
Fuel feed Lucas indirect injection.
Ignition Double. Coil-ignition. 2 distributors, 4 Marelli coils.
Lubrication Pressurised with radiator. Dry sump.
Transmission Rear. Borg & Beck multi-plate clutch, 606 rear longitudinal overhanging gearbox with 5 speeds + reverse, self-locking plunger-type differential.
Gear ratios Variable depending on racing circuit.
Frame Type 606. Stress-bearing body: aluminium panels in double wall riveted to steel tube structure.
Front suspension Double wishbone: upper arm, lower triangle, inboard spring/damper units, anti-roll bar.
Rear suspension Double wishbone: upper arm, inverted lower triangle, two longitudinal struts, anti-roll bar.
Steering Rack and pinion.
Brakes Girling discs and callipers. Inboard at rear on differential housing, independent hydraulic circuits.
Tyres Front 4.75-10/30-15î, rear 6.00-12/30-15î. Firestone.
Rims Cast light alloy. Front 9.5x15î. Rear 11.5x15î.
Wheelbase 2,400 mm.
Front/rear track 1,550 / 1,560 mm.
Length 4,050 mm.
Width 720 mm.
Height 850 mm.
Weight with water and oil 507 kg.
Fuel tank 160 litres in 5 Pirelli rubber containers.
Alternator/dynamo Marelli DSAE 4081 B.
Battery 12 Volt Safa.
Bodywork Aluminium single-seater body with composite elements.
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