Re: tensioner

[ethan schartman <eschartman@xxxxxxxxx>]

--- alfa-digest <owner-alfa-digest@domain.elided> wrote:
> The real problem is the number of timing belt
> teeth that engage the rear/right cam pulley.   If
the
> belt wrapped around the pulley more, as seen in
other
> cars with timing belts, I think the whole setup
would 
> be more reliable.  I've often thought that an idler
> pulley between the cams would work.
>
>         --Mark

hmmm, that's a considerably more elegant solution than
i had thought of, which was to replace the tensioner
with a  worm-geared servo so that it couldn't
introduce slack into the system when it failed or was
back-driven. OTOH, a new tensioner would be a drop-in
fix, rather than modifying the block/heads to hold a
pulley...

-ethan schartman
-'87 milano gold (almost rolling again!)
-princeton, NJ

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