Description

PORSCHE 917 K-81 n.10

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HISTORY

The Porsche 917 K-81 is the car that participated at the 24 Hours of Le Mans of 1981. The German Porsche Kremer Racing Team modified the frame with larger diameter tubes adding stiffness but with a small weight increase. They redesigned parts of the bodywork but without access to a wind tunnel, all these aerodynamic changes were based on intuition, the result was a top speed of 300 km/h on the straight unlike the original 917 which reached 340 km/h. Bob Wollek, Xavier Lapeyre and Guy Chasseuil at the wheel of the Porsche 917 K-81 n.10 did not finish at the 24 Hours of Le Mans in 1981 due to broken engine after eighty-two laps.

The race won by Derek Bell and Jacky Ickx at the wheel of the Porsche 936-81 n.11 that starting from the Pole Position. In second position the Rondeau M379C n.8 of Jean-Louis Schlesser, Philippe Streiff and Jacky Haran. While in third position the Rondeau M379C – Cosworth n.7 with Gordon Spice and Francois Migault.

CHASSIS

Porsche 917 K
Designed: Hans Mezger
Fibre glass and aluminium spaceframe
Length: 4120 mm
Width: 1980 mm
Height: 940 mm
Suspension front: Unequal upper and lower arms, coil springs, Bilstein dampers
Suspension rear: Unequal upper and lower arms, coil springs, Bilstein dampers
Brakes: Ventilated steel discs
Tyres: Dunlop

ENGINE

Porsche 912.10 180° V12 4500 cc
Power: 448 kW
Drive Type: Rear wheel drive
Transmission: Five speed Manual
Differential: Rear differential lock
Fuel brand: BP
Fuel Type: Petrol
Tank Capacity: ? lt

RESULT

Did not finish 24 hours of Le Mans 1981 with drivers Bob Wollek, Xavier Lapeyre, Guy Chasseuil