The crank is tapered at that end. The flywheel with the magnets on it is
held on the crank with a blot that goes thru a large washer and into the
end of the crank. There is a woodruff key in the taper to hold
everything in alignment for timing purposes. I've modified that
attachment area to allow for a coupling to hook up there and then drive
thru the rubber sleeve to a similar unit which drives the alternator. I
feel very confident that it will work out fine. I make sure that
alignment was well within tolerances so the sleeve would only see
rotational loads, no miss alignment problems. My unit leaves about 1/4"
between the back of the alternator and the engine mounting frame.
Jim
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