Brun C91

The Brun C91 is a prototype built between 1990 and 1991 for the World Sports Car Championship . It was developed under the direction of Steve Ridger and John Iley at Brun Technics, a British design office that had also designed the Formula 1 vehicles for EuroBrun Racing . The Brun C91 had a monocoque made of carbon fiber reinforced plastic , the brake discs and clutch were made of silicon carbide ceramic reinforced with carbon fibers . It was powered by a Judd EV V8 engine known from Formula 1 .

Technical specifications:

• Weight: 650 kg
• Power: 650 hp
• Displacement: 3,500 cm³
• Transmission: 6 gears

Races

The Brun C91 from Repsol Brun Motorsport was used . At the start of the season, the team fielded two Porsche 962 Cs, one of which was replaced by the C91 from round 5 of the sports car world championship at the Nürburgring . The biggest problem with the Brun C91 was its reliability, and it failed in each of its three races.

Results:

• 5th run: Nürburgring - not started
• 6th round: Magny-Cours - failure (engine)
• 7th run: Mexico - failure (starter defective)
• 8th run: Autopolis - failure (gearbox)

Today the car is used sporadically in historic Group C races in the USA .

Web links

• Photos and information about the Brun C91 ( Memento from November 25, 2008 in the Internet Archive )
• 1 photo in action and 2 photos of wind tunnel models