Leyton House CG911

Leyton House CG911
March CG911B
March CG911C

Constructor

Chris Murphy (design director)
Gustav Brunner (technical director)

Predecessor

Leyton House CG901

Technical specifications

Chassis

Carbon fibre monocoque

Suspension (front)

Pushrods

Suspension (rear)

Pushrods

Axle track

1,780 mm (70.1 in)/1,650 mm (65.0 in) front/rear

Wheelbase

2,790 mm (109.8 in)

Engine

Ilmor 2175A 3,479 cc (212.3 cu in) 72° V10 naturally-aspirated mid-engine, longitudinally mounted

Transmission

6-speed semi-automatic

Weight

505 kg (1,113 lb)

Fuel

Tyres

Goodyear

Competition history

Notable entrants

Leyton House Racing
March F1

Notable drivers

15.

Maurício Gugelmin
16.

Ivan Capelli
16.

Karl Wendlinger
16.

Jan Lammers
17.

Paul Belmondo
17.

Emanuele Naspetti

Debut

1991 United States Grand Prix

Last event

1992 Australian Grand Prix

Entries	Races	Wins	Podiums
33	32	0	0
Poles	F.Laps
0	0

The Leyton House CG911 was a Formula One racing car designed by Chris Murphy and Gustav Brunner for the 1991 Formula One season. Unlike its CG901 predecessor, which used a Judd EV V8 engine, the CG911 used an Ilmor 2175A V10 engine. Leyton House Racing initially started the 1991 season with Maurício Gugelmin and Ivan Capelli as their drivers, as they had in 1990, but Karl Wendlinger replaced Capelli for the final two races of the season. For 1992, when Leyton House renamed themselves as March F1, the CG911 was updated to the March CG911B specification, with Wendlinger, Jan Lammers, Paul Belmondo and Emanuele Naspetti all sharing driving duties. Although March initially intended to run the CG911C in 1993 with Lammers and Jean-Marc Gounon, the team folded and they did not compete that year.

The Leyton House CG911 was developed by Chris Murphy and Gustav Brunner for the 1991 Formula One season. The CG911 was the first Formula One car to use an Ilmor-developed engine, after Akira Akagi formed a partnership between Ilmor and Leyton House Racing. This engine, the 2175A (also known as the LH10), was a V10 engine that had initially been developed in 1989 in response to the banning of turbocharged cars in Formula One at the end of the previous season. It was a 72-degree V10 that was developed to be as compact and light as possible; it was 593 mm (23.3 in) long, whilst the Honda RA109E V12 and Renault RS1 V10s of 1989 had lengths of 620 and 668 mm (24.4 and 26.3 in) respectively, and it weighed 126 kg (278 lb). The CG911 was updated to the CG911B specification after Leyton House were renamed as March F1 in 1992, and a CG911C specification car was entered in 1993, but never raced.

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