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Ernest,
All rotarys I have seen had complete thread engagment of the flywheel/counterweight
nut........The early 12A/13B rotarys used a thin washer behind the nut but all from at least
86 on do not use the washer.......If washer is used on newer 13B it could prevent complete
thread engagement........I presume you are using the auto trans counterweight and flexplate
flywheel..........FWIW
--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold
-------------- Original message from Ernest Christley <echristley@nc.rr.com>: --------------
> I torqued down the flyweel nut last night to 300ft.lbs., but I notice
> that about 2 threads of the nut are not engaged. It looks like the
> flywheel taper is seated completely, but I've never known of a properly
> assembled threaded structure having part of the nut sticking out. Do I
> need to pull this apart and see what is amiss, or is all as it should be?
>
> BTW, still haven't determined if the engine-to-bellhousing bolts are
> 1.25 or 1.00 pitch yet. I don't have a metric thread gauge. Another
> good excuse to by more tools!!
>
> --
> Homepage: http://www.flyrotary.com/
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