BRM 4-cylinder engine

Series of Formula One racing engines
Reciprocating internal combustion engine
BRM 255
BRM 258
BRM 259
Overview
ManufacturerUnited Kingdom British Racing Motors
Production1956–1960
Layout
ConfigurationL4
Displacement2.5 L (153 cu in)
Cylinder bore4.05 in (103 mm)
Piston stroke2.95 in (75 mm)
Valvetrain8-valve, DOHC, two-valves per cylinder
Combustion
Fuel systemCarburetor
Fuel typeGasoline
Oil systemDry sump
Output
Power output260–285 hp (194–213 kW)
Torque output205 lb⋅ft (278 N⋅m)

The BRM 4-cylinder engines are a series of four-stroke, naturally-aspirated, 2.5 L (150 cu in), inline-four Formula One racing engines, designed, developed and built by British Racing Motors, between 1956 and 1960. They were exclusively used by BRM; and powered the BRM team cars. It was constructed to conform the FIA engine requirements; necessitating a 2.5 L naturally-aspirated engine displacement formula. The power output for these motors were between 260–285 hp (194–213 kW), and 205 lb⋅ft (278 N⋅m).[1][2]

Applications

Formula One Championship results

Year Entrant Chassis Engine Tyres Drivers 1 2 3 4 5 6 7 8 9 10 11 Points WCC
1956 Owen Racing Organisation BRM P25 BRM P25 2.5 L4 D ARG MON 500 BEL FRA GBR GER ITA n/a n/a
Mike Hawthorn DNS Ret
Tony Brooks DNS Ret
Ron Flockhart Ret
1957 Owen Racing Organisation BRM P25 BRM P25 2.5 L4 D ARG MON 500 FRA GBR GER PES ITA n/a* n/a*
Ron Flockhart Ret Ret
Roy Salvadori DNQ
Herbert MacKay-Fraser Ret
Jack Fairman Ret
Les Leston Ret
1958 Owen Racing Organisation BRM P25 BRM P25 2.5 L4 D ARG MON NED 500 BEL FRA GBR GER POR ITA MOR 18 4th
Harry Schell 5 2 5 Ret 5 Ret 6 Ret Ret
Jean Behra Ret 3 Ret Ret Ret Ret 4 Ret Ret
Maurice Trintignant Ret
Joakim Bonnier Ret 4
Ron Flockhart Ret
1959 Owen Racing Organisation BRM P25 BRM P25 2.5 L4 D MON 500 NED FRA GBR GER POR ITA USA 18 3rd
Harry Schell Ret Ret 7 4 7 5 7
Ron Flockhart Ret 6 Ret 7 13
Joakim Bonnier Ret 1 Ret Ret 5 Ret 8
British Racing Partnership BRM P25 Stirling Moss DSQ 2
Hans Herrmann Ret
1960 Owen Racing Organisation BRM P25
BRM P48 		BRM P25 2.5 L4 D ARG MON 500 NED BEL FRA GBR POR ITA USA 8 4th
Graham Hill Ret 7 3 Ret Ret Ret Ret Ret
Joakim Bonnier 7 5 Ret Ret Ret Ret Ret 5
Dan Gurney NC Ret Ret Ret 10 Ret Ret

References

  1. ^ "Engine BRM • STATS F1". www.statsf1.com.
  2. ^ "1960 BRM P48 technical and mechanical specifications - .com". conceptcarz.com.
  3. ^ "1955 - 1959 BRM Type 25 Specifications". Ultimatecarpage.com.
  4. ^ "1959 - 1960 BRM P48 Specifications". Ultimatecarpage.com.
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United Kingdom British Racing Motors
People
Founder
Raymond Mays
Principals
Alfred Owen
Louis Stanley
Jean Stanley
Designers
Peter Berthon
Aubrey Woods
Tony Rudd
Len Terry
Tony Southgate
Mike Pilbeam
World Champions
United Kingdom Graham Hill
Drivers
List of drivers
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