At 08:16 AM 2/24/00 -0700, you wrote: >Original Poster: "B2" <bensonbd@erols.com> [snip] > If you need humongous brass balls try Salem specialty ball > http://www.salemball.com/inventory/brassInv.htm , they sell up to 9" >solid brass balls. I've used brass balls for spark gaps for years. They look good, but I've found copper tubing easier to work with as far as gap-cleaning is concerned. Dan