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