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Re: Toroids from Foam
Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>
Tesla list wrote:
> Original poster: "tesla by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> Has anyone used the hot wire cutting technique to avoid the room filled with
> snow effect ?
> Ted L in NZ
Sure have. Used #20 nichrome wire stretched in a frame to keep it
tight as it warmed up. Use a big filament transformer for the power
source and use a variac to control the temperature. Works quite well.
However, I personally wouldn't think of messing with foam for a top