Re: CW coil top terminals?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr. John Gudenas by way of Terry Fritz <twftesla-at-uswest-dot-net>" <comsciprof-at-ameritech-dot-net>

Hi Terry
I use a brass 1/4 bolt 5" long from the hole in the toroid bottom. The
toroid also acts as a heat sink/cooling radiator.
I never had a problem with this system.
John W. G.

comsciprof-at-ameritech-dot-net
www.scifair-dot-org
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, January 28, 2001 4:14 PM
Subject: CW coil top terminals?


> Original poster: "Terry Fritz" <twftesla-at-uswest-dot-net>
>
> Hi All,
>
> I am working on my CW coil and I was wondering what people are using for a
> top terminal on CW coils?
>
> I guess it should be fairly small but I was wondering what would take heat
> well.  It is a 900 watt (delivered to the arec) coil and I hope to get it
> doing the staccato stuff soon.  Would like a small brass drawer pull be ok
> or is the something better?  The coil will melt a pretty good diameter
bare
> wire.  I may need cooling fins under the terminal since the top of the
coil
> is PVC or I could add a ceramic standoff insulator if I can find one.  I
> could also have a tungsten needle point if that would be best.
>
> Any thoughts are welcome here.  I hope to soon get this coil running from
> an arbitrary waveform generator.  It is 350kHz but the generator can
> control the power level and I can play with any power envelope I want then
:-))
>
> Cheers,
>
> Terry
>
>