Subject: Re: More rotary gap questions... Date: Wed, 30 Apr 1997 21:05:51 -0400 (EDT) From: Rscopper@aol.com To: tesla@pupman.com My local TIG welding supply has tungsten for welding aluminium for 6.50 a stick about 6 inches long. I made a 3 gap stationary from one and it works good. You just tap it with a hammer on an edge and it breaks off.