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Re: My Secondary
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To: tesla-at-grendel.objinc-dot-com
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Subject: Re: My Secondary
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From: Kristian Ukkonen <kukkonen-at-cc.hut.fi>
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Date: Mon, 22 Apr 1996 11:04:41 +0300 (EET DST)
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>Received: from snake.hut.fi (snake.hut.fi [193.167.6.99]) by uucp-1.csn-dot-net (8.6.12/8.6.12) with ESMTP id CAA12054 for <tesla-at-grendel.objinc-dot-com>; Mon, 22 Apr 1996 02:04:50 -0600
On Thu, 11 Apr 1996 tesla-at-grendel.objinc-dot-com wrote:
> >> I wrapped the coil around a 4' long cardboard tube with 8.5"
> >> diameter. I did not paint it with any kind of finish to make it
> >> more of an insulator. I also made a rather larger mistake in using
> >> (and this is the kicker!) #34 wire. So now I have a 4' long 7000
> >> wind inductor and I was wondering if there is any way to make a
> >
> >My suggestions: I would try it out of sheer interest before pulling
> >it apart. BUT, I think the tube should be thoroughly dried and
> > : bare resonant frequency about 28kHz !
> >
I'd put that thing into a (plastic) tank and make it oil immersed to get
adequate insulation - cardboard should get oil impregnated.. Firing that
thing at audio-frequency should be a NICE experiment to do, IMHO..
Primary should perhaps be run with DC to get the huge primary C loaded
every once and a while :)
Kristian Ukkonen.