Matt Quimby wrote:
>> I finally got the prop hub off my crankshaft. Noticed something
interesting - there’s no keyway to align the prop hub. Is anyone else
running a setup like that? Should that be a red flag, or a reason to
consider just starting with a new crankshaft and prop hub?
<<
The keyway is only there to force the pulley back onto the same
orientation after removal. This is so your timing marks don't get out
of whack after you remove and replace the hub. Finding an accurate TDC
is not as easy as you might think, without direct perpendicular access
to the piston crown. The screwdriver down the sparkplug hole isn't real
accurate.
The taper is what transfers the force from crank to hub...
Mark Langford
m...@n56ml.com
http://www.n56ml.com
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