Re: BEST Ballast for pole pig. (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Tue, 14 Aug 2007 22:50:26 +0000
From: david baehr <dfb25@xxxxxxxxxxx>
To: tesla@xxxxxxxxxx
Subject: Re: BEST Ballast for pole pig. (fwd)


both welders I had came with a screw type device to adjust the shunt  , 
my last was a Miller Thunderbolt..

 



 

      >Many of the cheapo buzz-box welders employ a continuously
      variable shut to
      >control the current.  This usually involves the use of a
      squeeze-handle to
      >release and reposition the shunt which, while it works, is
      less than ideal
      >for Tesla work.  For my use I replaced this handle with a
      threaded shaft
      >which protrudes through the front panel of my controller
      which provides
      >control of the current from 28 to 60 amps.  Here are some
      pictures of the
      >modified welding transformer installed in my controller
      cabinet.
      >http://>Dave Leddon
      >Pleasanton, CA
      >
      >
      >
      >


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