Alpha
Alpha motorcycles were produced from 1956 to 1968.
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The company was based in Dudley, Worcestershire.
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They became involved in the competition world when they manufactured an
improved crankshaft for Villiers
engines, followed by a complete bottom half.
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Fred Cutler who was the Managing Director at the time, then designed an
engine with the induction controlled by flywheel flanges.
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A twin two-stroke was then designed. This was a 247cc engine with rotary
disc valves. The discs went between the flywheels in the middle and were
fed by a single carburettor. It also had an Albion
gearbox. They were firstly fitted in a DMW
frame and later in an Alpha frame with Ceriani forks.
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Even though the machine was successful, only eight engines were built before
the controlling company brought production to a halt.
Source: Graces Guide
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