Bob Moore wrote:

I was surprised to see how little HP this proposed gearbox could
handle. Thanks for the calcs.  Wish that I still had a Rotax box
around to measure for comparison.  I have a belt drive PSRU on a
Kawasaki 2-stroke that I am not at all happy with so I am always
interested in these exchanges (I plan to put this engine on a
MiniMax if I can ever get the plane finished - my wife's projects
seem to get done first!) .

Check-out the following url and eat your heart out.  :-)

http://www.wwd.net/user/bobmoore/engine.htm

Bob Moore

I kind of like the half VW idea. The crankshaft is now, in effect, twice as strong.
Same thing happens when you cut a Mazda 13B down to a one rotor but unlike
a stock VW the e-shaft strength has never been an issue.

Paul Lamar
 
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