'half toroid for sale' in july archives for pics. Anyway it is a 24' spun toroid. It is not a conventional toroid, that is O-----O as a cross section, but rather (_____) with an 18 inch hole in the top. I was wondering if simply tig welding an 18" plate in the hole (properly smoothed etc.) would be
Mike,
You may be able to simply install a smaller toroid below it, and let the open area face down, and all may be well. The smaller toroid should be maybe 18" dia or so.