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RE: Sheet metal

To: ryoung@navcomtech.com
Subject: RE: Sheet metal
From: "David Gunn" <ccgunn1010@hotmail.com>
Date: Fri, 01 Aug 2003 12:49:21 -0700 FILETIME=[008C2980:01C35866]
Cc: triumphs@autox.team.net
>From my limited experience working on the "2" and my vw bug, the shrinking 
hammers work well on small areas which become apparent after block sanding.  
The heating/quenching method does work well on larger areas, and can 
eliminate the propensity of some panels to easily bow in and out (much like 
the bottom of an old oiling can - hence - oil canning).

David Gunn


>From: "Randall Young" <ryoung@navcomtech.com>
>Reply-To: "Randall Young" <ryoung@navcomtech.com>
>CC: "Triumphs List" <triumphs@autox.team.net>
>Subject: RE: Sheet metal
>Date: Fri, 1 Aug 2003 11:17:49 -0700
>
> > Don Malling wrote:
> > >
> > > How does one "gather the metal"?
>
>Mike Porter replied :
> >
> > ... But, simply, using a hard metal dolly
> > underneath an area and lightly hammering with a soft-head
> > mallet (rawhide is best, rubber less so) creates ripples in the
> > metal which then merge, thickening the metal in that
> > area.
>
>This is far beyond my current skills, but I've also read of heating the 
>area
>with an OA torch and then quenching it with a wet rag.  This will 
>supposedly
>shrink the metal, and solve "oil canning" where you have big ripples that
>move around when you try to work them.
>
>There are also "shrinking hammers", but it seems most people say they don't
>work very well.
>
>Randall
>

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