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Reeves 6 cc spark ignition

The Reeves 6 cc spark ignition engine was the initial product of Edward Reeves of Church Street in Shifnal, Shropshire, England.  Reeves began offering the engine in both ready-to-run and kit forms in June 1946, trading at that time under the name E. Reeves, Model and Precision Engineers. The firm's name was later changed to Reeves Model Power Units. A 5 cc version of the same engine was also offered, but this does not appear to have survived long on the market.

The Reeves 6 cc model was a very well-made spark ignition engine of more or less conventional early post-WW2 design. Despite a rather utilitarian external appearance, it was in fact constructed to very high standards as far as its key fits were concerned. It featured updraft induction through a crankshaft front rotary valve (FRV) system. A well-designed open-frame timer was employed. The engine was apparently very well received in its day - no less an authority than Peter Chinn recalled it as "a sound and likeable" powerplant.

The Reeves 6 cc sparker remained in production for some two years, with a somewhat modified second variant appearing during that time. The black-and-white image attached to this entry shows the Mk. I version - the colour illustrations show the more commonly-encountered Mk. II model.

By 1948 the diesel engine was very much in the ascendant in Britain, with the result that the Reeves 6 cc unit was replaced in that year by a diesel model of a nominal 3.4 cc displacement (actual measured displacement 3.14 cc).

A detailed description and test of the Reeves 6 cc sparker will appear in due course on this web-site.

 

 

 

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