  Montjuich, 27 April 1975: Niki Lauda, Drivers' World Champion with Ferrari in 1975 and 1977 |
 Model 312 T
Formula 1 racing car.
Years of activity 1975/1976.
First race South African Grand Prix of 1.3.1975.
Engine Type 015. 12 cylinders in 180° V. Rear-mounted. Light alloy cylinder block and head, press-fitted aluminium cylinder liners, 112 mm connecting rod. Water cooled.
Bore and stroke 80 x 49.6 mm.
Unitary and total capacity 249.317 / 2,991.801 cc.
Compression ratio 11.5:1.
Max. power output 495 bhp at 12,200 rpm.
Timing gear 4 valves per cylinder, 2 overhead camshafts per bank of cylinders, gear drive at rear.
Fuel feed Lucas indirect injection.
Ignition Single. ìDinoplexî electronic capacitive discharge, coil-ignition.
Lubrication Pressurised. Dry sump.
Transmission Rear. Borg & Beck multi-plate clutch. 015 gearbox with 5 speeds + reverse, transverse (inside wheelbase), limited slip friction plate differential.
Gear ratios Variable depending on racing circuit.
Frame Type 015. Stress-bearing body. Aluminium panels riveted to rectangular section steel tube structure with boxed supports.
Front suspension Double wishbone: double triangles, inboard spring/ dampers units and anti-roll bar.
Rear suspension Double wishbone: upper arm, lower trapezium and 1 central strut.
Steering Rack and pinion.
Brakes Discs and Lockheed callipers. Inboard at rear.
Tyres Front 9.2-20.0-13î, rear 16.2-26.0-13î. Goodyear.
Rims Multipiece. Front 10x13î, rear 17/18x13î.
Wheelbase 2,518 mm.
Front/rear track 1,510 mm / 1,530 mm.
Length 4,143 mm.
Width 2,030 mm.
Height 1,275 mm.
Weight with water and oil 606 kg.
Fuel tank 200 litres. 2 side and 1 central tanks.
Battery 12 Volt Safa.
Bodywork Single-seater aluminium body and composite elements.
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