Mario Andretti, winner of the 1971 South African Grand Prix
Formula 1 racing car.
Years of activity
Brands Hatch Champions Race of 21.3.1971.
Type 001/1. 12 cylinders in 180° V derived from the 001, light alloy cylinder block and head, press-fitted aluminium wet cylinder liners, 112 mm connecting rod, water cooled.
Bore and stroke
80 x 49.6 mm.
Unitary and total capacity
249.317 / 2,991.802 cc.
Max. power output
470 bhp at 12,600 rpm.
4 valves per cylinder, 2 overhead camshafts per bank of cylinders, rear geared drive.
Lucas indirect injection.
Single. Marelli Dinoplex electronic capacitive discharge with coil ignition unit.
Pressurised with radiator. Dry sump.
Rear. Borg & Beck multi-plate clutch. 621 gearbox with 5 speeds + reverse, rear longitudinal overhanging gearbox . Multi-plate self-locking differential.
Variable depending on racing circuit.
Type 621/A. Stress-bearing body, aluminium panels riveted on a steel tube structure. Partially stress-bearing engine.
Double wishbones: upper rocker arm, lower triangle, inboard spring/damper units and anti-roll bar.
Double wishbones: double triangles, one upper strut, horizontal spring/damper units above the differential.
Rack and pinion.
Lockheed discs and callipers. Rear inboard. Separate adjustable hydraulic circuits on the two axles.
Front 8.6-20-13î, rear 13.5-24.0-15î. Firestone.
Cast light alloy. Front 10x13î, rear 15x15î.
1,482 / 1,475 mm.
Weight with water and oil
233 litres. Side mounted in canvas/Pirelli rubber.
12 Volt Safa.
Aluminium single-seater body with composite elements.