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Re: Spark gap construction

Original poster: "Black Moon" <black_moons@xxxxxxxxxxx>


Black Moon person,

If you are using an NST powered coil, then PVC should work OK.  Gaps usually
work better with some air flow through the gaps (e.g. from a muffin fan),
I was thinking of use 'borrowing' the shop vac thats in the local area lol, tho I guess I could reuse my heatsink cooling fan that im using on my cheapo flyback setup atm

and this will help keep the pipes from melting the PVC.  If you are using
MOTs or a pole distribution transformer, then the pipes may get so hot that
they melt the PVC.

lol nah, just a tiny 30ma 15kv nst

Use a pipe cutter, not a hack saw, to cut the pipe, and you will have a
natural inward "crimp".
Hmm, Not sure if I can get one of those. was thinking of just giving a few taps with the hammer along the arcing surface


Yes, pipes will make a decent safety gap.

By the way, do you have a name we can call you?  Black_moons person" just
doesn't make it . . .


lol! well my real name is Jamie :P


--Steve Y.

----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, November 28, 2004 4:08 PM
Subject: Spark gap construction


> Original poster: "Black Moon" <black_moons@xxxxxxxxxxx>
>
> Iv seen alot of spark gaps using common copper pipe, and was wondering if
> PVC pipe would be a suitable support for them, also, do they tend to arc
> near the edge of the pipe? I was wondering if it might be benifical to
> crimp the ends slightly. As for the safty gap, Should i try and find some
> balls? or will 3 pipes do just as well? I assume I set the safty gap by
> running the NST alone with no tesla coil and opening the gap till it just
> barly arcs over the gap?
>
>
>
>
>