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 148,369 pages of information and 233,846 images on early companies, their products and the people who designed and built them.


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Low - in 1922 a motorcycle was designed by Professor Archibald Montgomery Low.

His design was an 'ideal' machine with a pressed-steel frame, enclosed working parts, shaft drive, and a 493cc four-cylinder two-stroke engine. Cylinders were air-cooled in a monobloc casting and set in-line with the frame. It had coil ignition through a skew-gear-driven distributor and a single Binks carburettor. There was also a Rotax dynamo, gear-driven from the one-piece crankshaft, to provide battery charging for the electric lighting. There was also a three-speed gearbox in-unit with the engine.

By the February of that year, the machine had covered 1,500 miles and modifications were planned. It was claimed to be the first ever four-cylinder two-stroke motorcycle. However, the Low did not progress any further as it was thought to be far too costly to put into production and it would have been a very expensive model to buy.

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