BRM F1 recreation mission takes step ahead as authentic engine runs


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The Nineteen Fifties-specification BRMs are being constructed for British Racing Motors by famend race automotive engineers Corridor and Corridor and the Bourne-based firm used the unique ‘engine quantity two’ to assist meet the technical challenges introduced by one of the complicated Formulation 1 engines of its period, every with greater than 36,000 parts.

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Corridor and Corridor founder and former BRM engineer Rick Corridor stated: “It’s a phenomenally complicated engine, and there are a substantial amount of extremely engineered components to get proper.

“Rebuilding and re-engineering most of the authentic components has proved to be a key stepping-stone as we gear up for the manufacture of three new energy models which can be on the coronary heart of the mission.

“There may be little margin for error with these components, proper all the way down to one thousandth of a millimetre.

“For instance, we had some earlier points with the Rolls Royce supercharger, which we needed to rebuild from scratch, so via trial and error we’re flushing out these points and likewise studying an ideal deal about how this engine behaves.”

Reg Parnell BRM P15 1951 British GP

Reg Parnell BRM P15 1951 British GP

Picture by: Motorsport Images

The rebuilt engine itself was run on Corridor and Corridor’s dyno at RAF Folkingham in Lincolnshire, the place the unique BRM F1 engineering crew labored through the Nineteen Fifties.

The engine has not been run since authentic BRM driver Jose-Froilan Gonzalez, then 77-years-old, unintentionally over-revved it throughout BRM’s fiftieth anniversary celebration at Silverstone in 1999. It was comprehensively broken and had remained in storage for 20 years.

“We didn’t need to push it too exhausting on the dyno,” stated Martin Smith, Corridor and Corridor’s chief engine technician.

“However, even so, we estimate we acquired about 550bhp at 10,000rpm and a pair of.5 psi – which is a big step ahead as we proceed to construct our expertise and understanding of this astonishing engine.”

The construct of three P15 V16 BRMs was prompted by the invention of three unused chassis numbers, which had been initially allotted to the racing programme however by no means constructed because of a change within the F1 technical laws.


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