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Racing car model
Lotus 81
Lotus 81 during the 2017 FIA Masters Historic Formula One Championship at the Circuit of the Americas
Category
Formula One
Constructor
Lotus
Designer(s)
Colin Chapman (Technical Director) Martin Ogilvie (Chief Designer) Peter Wright (Head of Aerodynamics)
Predecessor
80
Successor
86 / 87 / 88
Technical specifications
Chassis
Aluminium monocoque
Suspension (front)
Double wishbones, coil springs over dampers, anti-roll bar
Suspension (rear)
Double wishbones, coil springs over dampers, anti-roll bar
Length
4,623 mm (182.0 in)
Width
2,134 mm (84.0 in)
Height
965 mm (38.0 in)
Axle track
Front: 1,700 mm (67 in) Rear: 1,638 mm (64.5 in)
Wheelbase
2,789 mm (109.8 in)
Engine
Ford Cosworth DFV, 2,993 cc (182.6 cu in), 90° V8, NA, mid-engine, longitudinally mounted
Transmission
Hewland FGA 400 5-speed manual
Weight
580 kg (1,280 lb)
Fuel
Essex
Tyres
Goodyear (1980) Michelin (1981)
Competition history
Notable entrants
Team Essex Lotus
Notable drivers
Mario Andretti Elio de Angelis Nigel Mansell
Debut
1980 Argentine Grand Prix
Last event
1981 Belgian Grand Prix
Races
Wins
Podiums
Poles
F/Laps
18
0
2
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 81 was a Formula One racing car built by Colin Chapman's Lotus team for the 1980 Formula One season. Unlike many of forebears the 81 was not a terribly innovative or competitive car, coming as it did at a time when Chapman's interest in his racing activities was waning.[citation needed]
Instead it was a very standard ground effect design with sliding skirts and the ubiquitous Cosworth DFV 3.0 litre V8 powerplant. The car was said to generate a great deal of downforce but have excessive pitch sensitivity problems, ultimately leading Chapman to develop the innovative twin-chassis Lotus 88.
Mario Andretti and Elio de Angelis used the 81 in all 14 rounds of the 1980 Formula One world championship, and the car also gave Nigel Mansell his Formula One debut, with the British driver lining up in a total of three races that season. The best result for the car was Elio de Angelis's 2nd place in Brazil.
Chapman had intended to use the Lotus 88 for the 1981 season,[citation needed] but a massive furore over the legality of the new car meant that the 81 was kept on as a stop gap for the first four races Lotus competed in, as they boycotted the 1981 San Marino Grand Prix, with Mansell taking 3rd place in the Belgian Grand Prix and de Angelis claiming three points finishes. The car was replaced by the Lotus 87.
The Lotus 81 at Barber.Lotus 81 engine and transmission
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Global Information
Mario Andretti
Elio de Angelis
Nigel Mansell
