This was one of the competitors in the Maserati UK Race for Pre 1961 Grand Prix Cars at the Coys International Historic Festival meeting at Silverstone in July 2000.
It’s the 1952 Cooper Bristol
MkI of Proby Cautley. The Cooper Bristol had a
1971cc 6-cylinder inline Bristol engine that was derived from the pre-war BMW
328 unit. Father and son Charles & John Cooper had started the Cooper Car
Company in 1946, and at first specialised in building cars for the new 500cc
class of racing that British enthusiasts had started as a simple and economical
way to go motor racing after the war. This developed into the International
Formula 3 class in 1950, and Cooper then ventured into the Formula 2 class by
putting a 1,100cc JAP engine into one of these cars, way below the 2 litre
limit allowed, but even with the lack of power the car was still reasonably
competitive because of its light weight. When the World Championship was run
under Formula 2 regulations in 1952 because of a dearth of the larger-engined
Formula 1 cars Cooper decided to design a car to compete at that level. The
1,971cc Bristol engine was chosen, but the Cooper Bristol MkI (later designated
the T20) could not really compete with the Ferraris and Maseratis in World
Championship races and was much more successful in minor British events. In
1953 the MkII (later T23) car was introduced, having a tubular frame chassis
instead of the box section frame of the earlier car and the drive train was
altered to lower the driver's seat. Although a better car it wasn't much more
successful than the MkI, and the following season when the new 2½ litre Formula
1 regulations came into force the car was rendered obsolete. They still
soldiered on for a few years, mainly in minor British events, and then became
regulars in the historic racing scene, where they're still to be seen to this
day.