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 142,989 pages of information and 229,205 images on early companies, their products and the people who designed and built them.


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Cygnet was a motorcycle produced in 1923.

The machine was a prototype designed for all-weather. It was built by two enthusiasts who tried to produce an ‘ideal’ design. Little is known about either the engine or the transmission. This could possibly have been due to the fact that several options could easily be accommodated.

The frame consisted of a number of formed steel plates and a single malleable casting as the steering head. The plates enclosed the working parts, thereby semi-enclosing the rear wheel and proving legshields. Channel section steel was used to support the plates, where necessary, and for the rear wheel stand.

A complete machine was shown although there was no mention of the designers’ names. The machine did, however, bear a resemblance to the pre-war Swan motorcycle.

See Also


Sources of Information

  • The British Motorcycle Directory - Over 1,100 Marques from 1888 - by Roy Bacon and Ken Hallworth. Pub: The Crowood Press 2004 ISBN 1 86126 674 X