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Re: Large Tesla Coil Construction Details - Comments Requested



Original poster: "Antonio Carlos M. de Queiroz" <acmdq@xxxxxxxxxx>

Tesla list wrote:
Original poster: "S&JY" <youngsters@xxxxxxxxxxxxxxx>
I would like to see someone succeed in flattening copper tubing into a flat
ribbon.  I am thinking a couple of powered steel rollers, "wringer style",
would work, with some decent guides into and out of the rollers to ensure
you don't produce a wavey mess.  Flattened tubing would be ideal because the
edges would be rounded and less prone to produce corona than brass ribbon,
and the copper would conduct much better, of course.  Anyone up to the
challenge?

Seems a serious overcomplication. Tesla coils are very, very insensitive to the primary resistance. In a coil processing up to 1000 W, maybe more, the use of tubing, or something heavier than #12 wire is good only for the appearance of the device. Any improvement due to less resistance would be noticeable only with instruments. Corona at the edges, only if the ground or the top terminal are very close to the coil. The primary voltage is usually not high enough.

Antonio Carlos M. de Queiroz