[TR] Hand cranking a Triumph - was TR3A radiator re-core

Dave1massey at cs.com Dave1massey at cs.com
Wed Jan 7 09:07:51 MST 2009


In a message dated 1/7/2009 10:00:32 AM Central Standard Time, 
tr3driver at ca.rr.com writes: 
> >But I have never had any kickback with my '3 which is 
> >set at the usual advance.
> 
> Just a WAG, but this may be exactly why the static timing on a '3 is so
> late, compared to other engines.  4 degrees is a mighty small angle, so I'd
> guess that even if the cylinder did light off, the inertia of the crank and
> flywheel would still carry it over to the power side of the stroke.
> 
> Come to think of it, that might explain that huge flywheel, too.
> 
The other purpose of the huge flywheel might be to counteract the effects of 
compression which will tend to push back.  Get that flywheel inertia to carry 
on through the compression stroke.

Dave


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