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 138,143 pages of information and 223,038 images on early companies, their products and the people who designed and built them.

Patrick Engineering

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Patrick Engineering of Birmingham.

  • They produced a Simplex motorcycle power unit from 1919 to 1922.

This was a strengthened bicycle fitted with a 105cc two-stroke engine. The unit was sold separately, to be fitted to any gents' or ladies' bicycle. It fitted above the rear wheel which it drove by chain.

Motorped was a motorcycle produced from 1919 to 1922 by Patrick Engineering of Birmingham.

A two-stroke auxiliary engine was fitted above the rear wheel of a strengthened bicycle to create this machine and it was available in either ladies' or gents' versions. It had a 104cc engine with a horizontal cylinder that had the fuel tank above, magneto ignition, Amac carburettor and drove the rear wheel by chain. A plate clutch was optional.

The power unit was also available separately, as the Simplex, and could be attached to any machine.

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
  • The Encyclopedia of the Motorcycle by Peter Henshaw. Published 2007. ISBN 978 1 8401 3967 9