<VV> Interesting link - all Corvair
62vair at gmail.com
Fri Jun 25 10:51:00 EDT 2010
In fact, the chroming process made the junk metal even weaker and may have
caused stress cracks to form and is an accident waiting to happen.
Mike, I'm a A&P and currently work for the FAA, what type of parts did you
forge for P&W? Sounds like interesting work! Mark Durham
On Thu, Jun 24, 2010 at 3:26 PM, Michael Kovacs <kovacsmj at sbcglobal.net>wrote:
> There are two casting considerations.
> 1. There are good castings made of superior material specifications.
> 2. There are junk castings made up of what ever scrap iron was dropped into
> the melt pot. (Nuts, bolts, old frying pans, engine blocks etc.)
> Such a critical piece of steering component should be forged in the first
> place. If the AMS material specification is correct and the forging process
> developed the correct grain flow pattern, the control arm probably will
> never break.
> I would not worry about any original equipment control arms made by GM.
> After market chromed is just for show IMHO.
> MIKE KOVACS
> retired senior forging designer for Pratt and Whitney.
> ----- Original Message ----
> From: Scott Morehead <moreheadscott at yahoo.com>
> To: virtualvairs at corvair.org
> Sent: Thu, June 24, 2010 12:13:53 PM
> Subject: <VV> Interesting link - all Corvair
> Anyone EVER had a similar problem?
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