[Steam-engine] Reworking Governor

[Andy glines]

Good point Ken.  I forgot that not all spools are made
the same.  I think that many are cast bronze.  My
spool is cast iron so matching the material may be a
little tricky.
--- Ken Hough  <k4sb at niia.net> wrote:

> What's the material the spool is made of. Match it.
> The expansion rate will be the 
> same under heat. Another thought, there is always
> some tolerance between the spool 
> and the walls. Machine it too close and it may seize
> up. 
> Ken
> 
> I had a chance to take a good look at the governor
> on
> the Huber this weekend.  What I found didn't
> surprise
> or upset me.  What I observed was normal wear in the
> valve itself.  The the seats are slightly out of
> round
> where the spool slid in and out for many years.  The
> spokes on the spool are worn also.  My plan is to
> bore
> the seats to true them up and the build up the spool
> and turn it to match the seat.  What is the best way
> to build up the spool?  I can braze it but I'm
> concerned that the brass will not hold up well and I
> will have to do the job again in short order.  What
> do
> you think?
> 
> =====
> Andy Glines
> Evansville, IN
> 
> 
> 
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=====
Andy Glines
Evansville, IN


		
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