Now thoroughly gripped by the subject, I have found a super article about the Napier Sabre Engine.
The original and iconoclastic L.J.K. Setwright was obviously as smitten as I am! The article is replete with his interesting and highly technical observations - in particular note his comments about combustion chamber shapes. The horsepower figures, apparently from a reliable source more than confirm what I wrote the other day, but Setwright is, I am sure, incorrect in his observations about thinwall bearings, which he credits to Napier. These were invented by the Clevite Corporation in the U.S.A. and it was Tony Vandervell who, by staying on the reception sofa at Clevite's offices for two days in or around 1932, finally got them to give him the European licence to make the bearings in his works at Acton, west London.
The article also "lifts the lid" on the acrimony and bitter competition between the aero-engine makers in England, whilst the country was fighting for its life. I have read the biography of Roy Fedden, boss and designer at Bristol engines and the author, whose name I regret escapes me, endeavoured to fight Bristol's corner, rather as Setwright has tried to do for Napier.
The original and iconoclastic L.J.K. Setwright was obviously as smitten as I am! The article is replete with his interesting and highly technical observations - in particular note his comments about combustion chamber shapes. The horsepower figures, apparently from a reliable source more than confirm what I wrote the other day, but Setwright is, I am sure, incorrect in his observations about thinwall bearings, which he credits to Napier. These were invented by the Clevite Corporation in the U.S.A. and it was Tony Vandervell who, by staying on the reception sofa at Clevite's offices for two days in or around 1932, finally got them to give him the European licence to make the bearings in his works at Acton, west London.
The article also "lifts the lid" on the acrimony and bitter competition between the aero-engine makers in England, whilst the country was fighting for its life. I have read the biography of Roy Fedden, boss and designer at Bristol engines and the author, whose name I regret escapes me, endeavoured to fight Bristol's corner, rather as Setwright has tried to do for Napier.
A bientôt
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