Imola, 3 May 1987: Michele Alboreto, third in the San Marino Grand Prix |
Model F1-87
Formula 1 racing car.
Years of activity 1987.
First race Brazilian Grand Prix of 12.4.1987.
Engine Type 033/D. 6 cylinders in 90° V, rear-mounted. Cast iron cylinder block without press-fitted cylinder liners, light alloy head. Water cooled.
Bore and stroke 81 x 48.4 mm.
Unitary and total capacity 249.4 / 1,496.43 cc.
Compression ratio 8:1.
Max. power output 880 bhp at 11,500 rpm in a race, max. pressure 4 bar.
Timing gear 4 valves per cylinder, 2 camshafts per bank of cylinders, chain drive at front.
Fuel feed Forced. 2 side-mounted Garrett turbos. Weber-Marelli digital injection. Twin electro-injectors.
Ignition Single. Magneti Marelli static electronic.
Lubrication Forced, dry sump.
Transmission Rear. Multi-plate clutch. 638 rear longitudinal overhanging gearbox with 6 speeds + reverse, ZF self-locking differential.
Gear ratios Variable depending on racing circuit.
Frame Type 638. Monococque in honeycomb carbon fibre and Kevlar composite.
Front suspension Double wishbones: two overlapping elliptic section triangles, tie-rod or pull-rod springing.
Rear suspension Double wishbones: upper trapezium, lower triangle, tie-rod or pull-rod springing.
Steering Rack and pinion.
Brakes Ventilated carbon discs on all 4 wheels. Brembo 4-piston callipers.
Tyres Front 25.0-10.0-13î, rear 26.0-15.0-13î. Goodyear.
Rims Dymag monolithic 12x13î and 16.3x13î.
Wheelbase 2,800.5 mm.
Front/rear track 1,791.4 mm / 1,677.6 mm.
Length 4,280 mm.
Width 2,120 mm.
Height 1,000 mm.
Weight with water and oil 542 kg.
Fuel tank 195 litres. Centre-mounted. (Fuel 102 RON).
Bodywork Composite.
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