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Lotus 80
Lotus 80 2008 Silverstone Classic.jpg
Category Formula One
Constructor Team Lotus
Designer(s) Colin Chapman
Martin Ogilvie
Peter Wright
Tony Rudd
Technical specifications
Chassis Aluminium monocoque.
Suspension (front) Lower wishbone and upper rocker-arms, with inboard coilover spring/damper units.
Suspension (rear) As front.
Track-width F: 70 in (1778 mm)
R: 64 in (1626 mm)
Wheelbase 108 in (2743 mm)
Engine Ford-Cosworth DFV 2,993 cc (182.6 cu in) V8. Naturally aspirated, mid-mounted.
Transmission Lotus/Hewland FGA 5-speed manual gearbox.
Weight 625 kg (1,380 lb)
Fuel Essex
Tyres Goodyear
Competition history
Notable entrants Martini Racing Team Lotus
Notable drivers United States Mario Andretti
Debut 1979 Spanish Grand Prix
Races Wins Poles Fastest laps
3 0 0 0
Constructors' Championships 0
Drivers' Championships 0
n.b. Unless otherwise stated, all data refer to
Formula One World Championship Grands Prix only.

The Lotus 80 was a Formula One car used by Team Lotus in 1979. The car, designed by Colin Chapman, Martin Ogilvie, Peter Wright and Tony Rudd was an attempt to take ground effect as far as possible.

Ogilvie and Rudd reasoned that to take a further step ahead of the competition, the new car should be designed as one huge ground effect system, starting just behind the nose and extending all the way to the back of the car beyond the rear wheels. An additional ground effect system was built into the nose, in an effort to turn the whole chassis into an aerodynamic device. In theory this would create a tremendous amount of downforce, so the chassis would have to be built to be more structurally rigid than the Lotus 79's. The 80 also would not need wings due to the massive downforce. Chapman approved the idea at once.

The car appeared resplendent in British racing green, since John Player Special had pulled out of F1. The car featured 'coke bottle' sidepods, something that would become familiar in the 1980s. However, a serious problem was encountered during testing. Mario Andretti reported that at speed the car behaved very well, but in braking and cornering, where speeds were lower, the car lost downforce alarmingly then regained it unexpectedly. It was discovered the car was generating too much downforce for the driver to cope with. The problem was twofold: firstly, the ground effect's low pressure area under the car was moving around with the car's centre of gravity. The phenomenon was known as porpoising, as the car appeared to be lifting and squatting at different speeds, causing it to lurch violently through corners. Secondly, the slightest difference in track ride height including off cambered corners, kerbs etc affected the undercar pressure hugely. The team experimented by fitting the car with wings, but this had little effect on the way the car behaved. Andretti persevered with the car, but his new team mate Carlos Reutemann refused to drive it and stayed with the Lotus 79.

Chapman eventually had to admit the 80 was not the wondercar he had planned, and after a reasonable third place for Andretti in the 1979 Spanish Grand Prix, the problems with the Lotus 80 became obvious in Belgium and Monaco. The Lotus 79 was modified and pressed back into service.

It was a massive setback for the team, and for the car which had appeared so promising, however Chapman persevered with the concept of a full length ground effect chassis in the Lotus 88.


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