----- Original Message -----
From: Steve M <wmoorejr@cox.net>
To: Steve Thompson <g8gsq@qsl.net>; <amps@contesting.com>
Sent: 04 October 2002 23:33
Subject: Re: [Amps] skin effect
> > Once, as an experiment, I changed a coil in a 8877 6m tank circuit from
> 3/8"
> > copper tube to (I think) 7x1mm enamelled wires twisted together. In
simple
> > terms, there was more cross section for the rf current but in practice
the
> > coil burnt out in a big way after a minute or so key down.
> ***I would have thought the 7x1mm wires being insulated would have acted
> like litz wire and been more efficient.
That was my thought, with the advantage that multistrand was much easier to
handle and fashion into a coil. It certainly didn't work like that, and the
enamel was well and truely fried off.
Steve
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