| As a point of trivia, heliarc is TIG (or GTAW).  Originally, helium was used as 
the shielding gas--and still is in some 
applications (sometimes aluminium)--but nowadays it's usually argon or an 
argon-CO2 mix.
Bet your welder was an 'old timer.'
bs
redlands ron davies wrote:
> Roland,
>  
>  
>      I had a shop in Yucaipa repair my shrouds on the modified.  He used
> Heli-arc, or is that Heliarc, method.  ( Maybe it should be Healey-arc ? )  No
> problems to date and that has been ten years.
> 
>  
> Cheers
> Redlands Ron
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Bob Spidell           San Jose, CA            bspidell@comcast.net
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