Litz wire would be ideal for the primary if it were not necessary to
tap. It's a nightmare to properly tap and get solid connection to all
strands.
Fine stranded copper welding cable works good and is easy to tap.
The best option, really, is copper tubing. It's hi-Q, easy to tap,
and you can use larger diameters if you need less resistance.
Dr. Resonance
----- Original Message ----- From: "Barton B. Anderson"
<bartb@xxxxxxxxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Wednesday, December 05, 2007 6:53 PM
Subject: Re: [TCML] Q,,question
Hi Paul,
I would expect higher losses due to proximity currents. Most
primary's have a good deal of spacing minimizing those currents, but
if we were to bundle everything together, those particular losses
would certainly increase. So in that respect, I think the single
copper mass is more efficient.
Take care,
Bart
Paul Bidmead wrote:
Gents
I may be stabbing in the dark but i have a theory to share with you all
with my experience with high frequency power supplies and with skin
effect prevalent would it feasible to use multi-filar enamel wire
for the primary
that being said would it not be wise to use lets say around 10 - 12
strands of 0.8mm dia or whatever is needed to get same approximate
copper cross section required therefore the skin effect is reduced
to a percentage or each strand rather than a percentage of a single
copper mass
not sure if i explained it clearly but my 2c worth anyway
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