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Re: Primary Coils and Other Stuff
In a message dated 9/2/00 6:16:04 AM Pacific Daylight Time, tesla-at-pupman-dot-com
> Original poster: "Travis Stewart" <mrprosser-at-geocities-dot-com>
> I've built one tesla coil, using a 10Kv/23ma OBIT and did a
> very quick, hideously ugly, and just plain badly made because of time
> restrictions, as it was built for a school project. I would like to
> re make the primary coil, but have been having a hard time finding
> 1/4" copper tubing in any length, as everywhere I've looked have only
> had very short lengths that are much to short for making the coil. I
> was wondering where would it be easy to find this in long lengths, or
> from the experience of others what other materials might be good to
I often use 10, 12 or 14 awg, pvc close wound insulated wire for
a small coil like this. Another approach is to use 1/8" refrigeration
tubing. I prefer the thinner types of wire or tubing because it lets
you use more turns on both the primary and secondary for a given
cap size, and gives 10% longer sparks in comparitive tests I've done.
It also results in a nice compact portable table top TC design.
But in any case long lengths of 1/4" tubing can be obtained from
the Home Depot, Lowes, and similar stores.