[SEL] Restoration Request for Information

[frank skinner]

Curt;
Thats great looking work, congrats. What foundry did you use?
and do they cast brass / bronze ?

                  Best Regards
             
           Franklin S. Skinner 
      Marine Surveyor & Consultant 
3428 Talon Court Wilmington NC 28409 
       34'10.9 North 74'52.4 West 
PH 910-791-8870  Cell 910-612-7470



 

> Date: Sun, 1 Jan 2012 21:55:57 -0800
> From: curt at rustyiron.com
> To: sel at lists.stationary-engine.com
> Subject: Re: [SEL] Restoration Request for Information
> 
> 
> Welcome John,
> I'll echo what Arnie said. It's a shame to bore out precious cylinder wall
> thickness, weakening the cylinder wall. Flame spray as Arnie mentioned or
> even better, venture into the world of pattern making and cast a new
> oversize piston. It's really a fairly painless process. Here is one of
> several I've done.
> <http://www.oldengine.org/members/holland/images/AlamoPistonPattern/Thumbnails.html>
> Curt Holland
> Bessemer City, NC USA
> 
> 
> > Hi John,
> >
> > Welcome to an active role on the list!! 8-))
> >
> > Rather than bore / sleeve the cylinder and grinding
> > down the piston, why not consider just boring the cylinder
> > and building up the piston by flame spraying? This was the
> > process that Craig Prucha used on my Bessemer half-breed.
> >
> > It worked REALLY well.
> >
> > See ya, Arnie
> >
> > Arnie Fero
> > Pittsburgh, PA USA
> > fero_ah at city-net.com
> >
> >
> > On Sun, January 1, 2012 6:14 am, John Wright wrote:
> >>
> >> Olds Type 4A 6hp circa 1904 (Approx as best as I can work out.)
> >>
> >> Can anyone advise me of the clearance required between the bore and the
> >> piston.
> >>
> >> The bore is scored and needs to be sleeved likewise the piston will need
> >> to be ground.
> >>
> >> I intend to have the piston ground removing enough material to remove
> >> the
> >> score marks.
> >>
> >> Hopefully I will get away with removing about 0.02" (20 thou) of the
> >> piston. That will make the piston 20 thou undersize.
> >>
> >> The original size bore is 5.5"
> >
> >
> >
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> >
> 
> 
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