Ghst: That is SO beautiful!
Martin: My glass capacitor was just a sheet of window glass, 14" square, with a sheet of aluminum foil on each side. All edges of the foil were taped down with 1" paper masking tape. I ran clothes hanger electrodes from the 15kV NST and laid the cap flat on a masonite work bench, with one electrode on the bottom side and the other one touching the top. I charged it up by flipping the breaker on and off as fast as I could, and increasing the speed. When the cap flashed over, there were always 6 or 7 heavy yellow sparks around the perimeter. With a tremendous bang and a lot of light. These sparks came from the top of the masking tape, above the edges of the foil. But there never were any burn marks on the paper, or punctures. I think it was some kind of static electricity effect, in the paper itself, or the air right above the tape.
Martin: My glass capacitor was just a sheet of window glass, 14" square, with a sheet of aluminum foil on each side. All edges of the foil were taped down with 1" paper masking tape. I ran clothes hanger electrodes from the 15kV NST and laid the cap flat on a masonite work bench, with one electrode on the bottom side and the other one touching the top. I charged it up by flipping the breaker on and off as fast as I could, and increasing the speed. When the cap flashed over, there were always 6 or 7 heavy yellow sparks around the perimeter. With a tremendous bang and a lot of light. These sparks came from the top of the masking tape, above the edges of the foil. But there never were any burn marks on the paper, or punctures. I think it was some kind of static electricity effect, in the paper itself, or the air right above the tape.
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