RE: [TCML] RF Ground and Brass

["Dave Halliday" <dh@xxxxxxxxxxxxxx>]

If you are looking for flexible cable, check out your local welding store.

They may have "junked" lengths of welding cable that came in on equipment
for repair and that stuff is designed to be as flexible as possible.

New prices are a bit high - 4/0 (or 0000) is just under a half inch in
diameter and sells for just under five bucks/foot.

It can carry 195 amps in continuous duty enclosed in conduit or a raceway
(heating up to a maximum temperature of 60 degrees C)

This is for oil and solvent resistant, ultra-flexible premium stuff so the
price is actually not that out of line.

Again. I would check the local shops - they probably sell their old wire to
the local scrap metal place and you can offer them an interesting story, a
demonstration and maybe a six-pack or two.

Dave

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx 
> [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of bartb
> Sent: Tuesday, March 04, 2008 7:56 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] RF Ground and Brass
> 
> Hi Scott,
> 
> I've never liked battery cables as they are not very flexible (you 
> almost have to mold them into position). With all cables, the 
> higher the 
> strands per awg size, the more flexible the cable is (unless 
> the outer 
> sheath is of a hard jacket). The battery cable will do fine, 
> but you may 
> want to find something more flexible. I use 6 awg because I had it on 
> hand to use. However, something smaller is fine. As Greg 
> mentioned, keep 
> lengths from base to RF ground short. If it goes 1 meter or more, I 
> personally would recommend something in the range of 12 awg. 
> My 6 awg is 
> overboard for what is actually needed. There's nothing wrong 
> with going 
> oversize if that is what you have on hand.
> 
> Take care,
> Bart
> 
> Scott wrote:
> > Thanks for the answer Bart.
> >
> > The confusion from the Terry Filter came from the fact that 
> with my wiring
> > plan, the NST Ground and RF Power Ground where both headed 
> for the same
> > place, but afterward I realized how it worked like that.
> >
> > Good tips on the RF grounding too.  I have some 8 or 6 AWG 
> battery cables
> > that I may use in place of the ribbon, I'll see how it works out.
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