[Steam-engine] Reworking Governor

Jeff Smith steamenginesmitty at yahoo.com
Tue Mar 1 07:56:18 PST 2005


Andy,

Spend $60-100.00 and grind off a piece of your iron
and send the small chunk out and get a
spectro-analysis done on it and you can match it
exactly.  It will save you a possible headache in the
future of not getting the exact material and fighting
with it.  Once you have the analysis, then you can
order it from somewhere like Bob suggests and it will
do what Kens says.  I got a spectro-analysis done on
another engine that I sold to see if the boiler was
iron or steel.

Jeff Smith


--- Bob Smith <bobsmith5 at verizon.net> wrote:

> Many of the on-line metal suppliers offer high grade
> cast-iron billets in
> various shapes so you can machine your own.
> 
> I think one of these suppliers is named "metalmart".
>  Try a Google search on
> that argument for the full link.
> 
>     Best wishes,  Bob Smith
> 
> Andy glines wrote:
> > 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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> ---   Avoid computer viruses, Practice safe hex  ---
> 
> -- Specializing in small, cost effective
>     embedded control systems --
> 
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> 
> 
> Robert L. (Bob) Smith
> Smith Machine Works, Inc.
> 9900 Lumlay Road
> Richmond, VA 23236   804/745-2608
> 
>   bobsmith5 at verizon.net
> 
> 
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