On 5/29/11 10:46 PM, Christopher Karr wrote:
I use 3 pieces of pipe in parallel.. You can bolt two of them down in a fixed position, and adjust just the one in the middle (imagine them piled up like logs) to adjust gap and parallelism.In practice, copper pipe works quite well. Two bars in parallel, with a fan blowing on them from the side, the top, or what have you.
T It's better to have two parallel pipes so that the arc occurs across the length of the electrodes.
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