[SEL] thoughts on best repair

[Rob Skinner]

Greetings, Mr. Not Dolly.
There are several options, assuming the metal is good quality and not  
rusted away.  Because the part is simple in shape, I don't think that  
you'll run into problems with stress as a result of uneven cooling.   
Modern nickel rod would work and be easy, but the color would be way  
off.  Brazing would be a better option, if you can live with a color  
mismatch.  If you want a good color match, the best option would be  
cast iron rod. For that, I would prefer a an oxy-acetylene torch over  
SMAW.  I would try to avoid the MIG or stainless.  You'll be able to  
make a strong weld, though, whichever method you choose.

	
Rob Skinner
Antique Stationary Engines
La Habra, California

rob at rustyiron.com
www.rustyiron.com



On Nov 30, 2009, at 9:54 AM, Jim French wrote:

> Hi all this is Jim not Dolly
>
> On Saturday me and twin bro Andy went to see a Ruston Hornsby not 15
> miles from our village that has sat there from new !!  The owner is an
> 81 year old who showed it to us and has asked us to get it running
> again. It's in quite good order, still turning freely over but a valve
> has stuck (not the problem) and years ago he kept on turning the  
> engine
> over to budge the sticking valve ... but bust the rocker arm !!!  What
> I'm asking is, what is the best way to repair the rocker arm as it  
> is a
> clean snap - braze, cast rod stick welded, stainless mig weld ??
> Now the dark nights are here well and propper, this will be a nice  
> job.
> Any thoughts?