  Jarama, 21 June 1981: Gilles Villeneuve, winner of the Spanish Grand Prix |
 Model 126 CK
Type Formula 1 racing car.
Years of activity 1981.
First race U. S. Grand Prix of 15.3.1981.
Engine Type 021. 6 cylinders in 120° V, rear-mounted. Light alloy cylinder block and heads, press-fitted aluminium cylinder liners. Water cooled.
Bore and stroke 81 x 48.4 mm.
Unitary and total capacity 249.4 / 1,496.43 cc.
Compression ratio 6.7:1.
Max. power output 580 bhp at 11,500 rpm.
Timing gear 4 valves per cylinder, 2 overhead cams per bank of cylinders. Gear drive at rear.
Fuel feed Forced. 2 KKK turbos positioned at top. Lucas-Ferrari indirect injection.
Ignition Single. Magneti Marelli ìRaceplexî electronic capacitive discharge.
Lubrication Forced. Dry sump.
Transmission Rear. Multi-plate clutch. 021 gearbox with 5 speeds + reverse, transverse in block with self-locking differential.
Gear ratios Variable depending on racing circuit.
Frame Type 024. Stress-bearing body. Aluminium panels riveted to a light alloy structure with various sections and cast light alloy supports.
Front suspension Double wishbones: upper rocker arms, lower triangle, inboard spring/damper units.
Rear suspension Double wishbones: upper arm, lower trapezium, 1 central strut.
Steering Rack and pinion.
Brakes Brembo ventilated cast iron discs on wheels, Lockheed callipers .
Tyres Front 22/59-13î, rear 38/66-13î - Michelin.
Rims Multi-piece. Front 11x13î - Rear 16/16.5x13î.
Wheelbase 2,718 mm.
Front/rear track 1,700 mm / 1,685 mm.
Length 4,468 mm.
Width 2,110 mm.
Height 1,025 mm.
Weight with water and oil 611 kg.
Fuel tank (litres) 210. Mid-mounted. (Petrol NO 98/100).
Bodywork Single-seater body in composite materials.
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