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How do you make a toriod (top load) for a tesla coil? Answered

How do you make a toriod (or top load) for a tesla coil? I don't want to buy a top load, or aluminum for a top load, so how would you do it with something like foil, and paper mache?

Question by Comhippy    |  last reply


Need some help with my topload

Hey coilers,                     I have recently completed a tesla coil, but im having some trouble with the topload. I built a toriod of automotive preheat flex duct. It helped to increase the spark length from around 1-1/2 inches to 4-5 inches. The problem is, it is discharging from the secondary coil to the primary, ive tried a couple different things an it does the same thing. If anyone can help or has some useful tips or advice, they would be very much appreciated. Many thanks in advance.

Question by Seth the Man    |  last reply