BRM P48/57
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| Category | Formula One | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Constructor | British Racing Motors | ||||||||
| Designer(s) | Tony Rudd | ||||||||
| Predecessor | P48 | ||||||||
| Successor | P57-V8 | ||||||||
| Technical specifications | |||||||||
| Chassis | spaceframe | ||||||||
| Suspension (front) | double wishbones, coil springs over dampers, anti-roll bar | ||||||||
| Suspension (rear) | double wishbones, coil springs over dampers, anti-roll bar | ||||||||
| Engine | Coventry Climax FPF 1496cc S4 naturally aspirated Mid-engined, longitudinally mounted | ||||||||
| Transmission | 5-speed manual ZF differential | ||||||||
| Tyres | Dunlop | ||||||||
| Competition history | |||||||||
| Notable entrants | Owen Racing Organization | ||||||||
| Notable drivers |  Graham Hill Tony Brooks |
||||||||
| Debut | 1961 Monaco Grand Prix | ||||||||
|
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| Constructors' Championships | 0 | ||||||||
| Drivers' Championships | 0 | ||||||||
The Coventry Climax powered BRM P57 (also called P48/P57) was a Formula One racing car raced in 1961.
Development
Like the other British teams, BRM were caught off-guard by new regulations for the 1961 Formula 1 season that limited engines to 1.5 litres. They had a new 1.5 litre V8 engine on the drawing board, but this was not likely to be ready until late in the season. (In the event, it did not race until the next year). The Coventry Climax 4-cylinder unit used by Cooper and Team Lotus was chosen as a stopgap solution. It was installed in the first BRM spaceframe chassis, based on the 1960 BRM P48 Mark II designed by Tony Rudd. The P48 Mark II had abandoned the single rear disc brake introduced by the P25 in favor of a more conventional 2 disc layout at the rear.
At 450 kg, the new BRM P57 was heavier than its British rivals, and the Climax engine was no match for the V6 in the Ferrari 156. The later V8-powered version of the P57 was originally designated the P578, but both types have since been commonly referred to as the P57.
Racing record
With Joakim Bonnier and Dan Gurney leaving to drive for the new Porsche team, BRM ran only two cars, for Graham Hill and Tony Brooks. The cars proved able to last for the Grand Prix distance, but they were not competitive. Points were not gained until the fourth race of the season, the French Grand Prix at Reims. Brooks scored a remarkable third and Hill a fifth in the final round, the United States Grand Prix at Watkins Glen, but this result was helped by Ferrari's withdrawal after the death of Wolfgang von Trips. BRM finished with only 7 points, good for fifth and last of the regular runners in the constructor's championship.
References
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