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Post by craig on Mar 27, 2018 6:20:24 GMT 12
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Post by madmax on Mar 27, 2018 13:31:58 GMT 12
Wow! An extremely interesting relic. The propeller appears to be of small diameter and unlikely to be able to get anything but a very small/light aircraft into the air.
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Post by Bruce on Mar 27, 2018 15:54:02 GMT 12
The exhaust config looks very much like one would find on a Flying Flea, and the Levis would be an appropriate power plant for such a machine.
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Post by Peter Lewis on Mar 27, 2018 19:15:51 GMT 12
From Wikipedia:
Levis motorcycles (1911–1940), manufactured by Butterfields Ltd of Birmingham, England were for many years one of England's leading marques of two-stroke motorcycle. Levis built two-stroke machines from 1911, adding a line of four-strokes in 1928, which ran to 1941 when production ceased.
and
From 1928 onward Levis produced 247 cc (67 mm (2.6 in) bore x 70 mm (2.8 in) stroke) and 346 cc (70 mm bore x 90 mm stroke) four-stroke ohv machines and later added 498 cc and 600 cc ohv four-strokes. For a brief period a 346 cc side valve single, and also a 247 cc sohc single with chain-driven overhead camshaft were available.
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Post by davidd on Mar 27, 2018 22:06:56 GMT 12
Yes, but so far, no mention of any two cylinder horizontally opposed engines suitable for aircraft! Still, everything else seems to support the idea that this is the manufacturer concerned, but no real confirmation s yet. Perhaps somebody else will find another, similar engine for sale, with a maker's plate intact! Although it is hard to be certain, the engine for sale here appears to be a two-stroke (with spark plug in dead centre of head), unless it is a side valve, but I cannot see any other signs to back that up.
David D
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Post by baronbeeza on Mar 28, 2018 2:26:25 GMT 12
It is a two stroke, the exhaust port is halfway up the cylinder. I doubt it would be comparable to the Jap two strokes of the '70's though. ie, it won't be a screamer..
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Post by craig on Mar 28, 2018 6:20:53 GMT 12
Yes and the inlet ports are lower on the cylinder also. I can't quite figure out that mounting system. Looks wrong for aircraft mounting (but may be a later addition) and seems to support a shaft which runs into crankcase? I did find a couple of photos of similar engines mounted on a small 3 wheeler and another apparently used on a air boat.
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