Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 149,270 pages of information and 234,239 images on early companies, their products and the people who designed and built them.

Napier: Rapier

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Napier Rapier VI. Exhibit at the Shuttleworth Collection.
March 1934.

Note: This is a sub-section of Napier.

1921 By an arrangement between the Air Ministry and de Havilland, Major Frank Halford, working as a consultant, designed the 16-cylinder air-cooled Rapier engine.


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