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Re: 1st experiments with new coil
Subject: Re: 1st experiments with new coil
Date: Tue, 22 Apr 1997 18:31:23 -0400 (EDT)
From: richard hull <rhull-at-richmond.infi-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
At 11:38 PM 4/21/97 -0500, you wrote:
>Subject: 1st experiments with new coil
> Date: Mon, 21 Apr 97 06:58:51 UT
> From: "William Noble" <William_B_Noble-at-msn-dot-com>
> To: "Tesla List" <tesla-at-poodle.pupman-dot-com>
>
>
>I decided to see how well the new coil pieces I had made worked. Here
>is the
>coil description
>
>primary - 13 turns of 1/4 inch copper on 1/4 spacing starting with 6
>inch
>inner diameter wound on plate acrylic
>
>secondary - about 680 turns of 24 gague on 4 inch pvc with urethane
>
>gap - 6 pieces of 1/2 inch copper pipe on .030 spacing, no forced air
>yet
>
>xformer - 15kv 30 ma neon
>
>capacitor - .001 uf 27kv mica
>
>input power - straight 110 AC, no variac
>
>other - # 10 X3 stranded wire X 18 inches long (a piece of power cord
>inside a
>neoprene outer sheath) is what I used to make the movable jumpper to go
>between the capacitor and the selected coil of the secondary. A
>"crocidile"
>clip rated 30 amps is what I used to connect to the tubing - I'll make a
>more
>aesthetic special connector later.
snip
So, the question to you-all is,
>is
>the performance of this partially done coil consistant with what you
>would
>expect???? I'm actually pretty happy that it did anything at all - This
>is a
>10,000% improvement over my previous efforts (all thanks to reading this
>list
>for a few months). My inclination is to play with some oil capacitors
>(7.5 kv
>units) that I have a pile of and see what happens, then when that is not
>satisfactory break down and make some like everyone else does.
>Comments????
>(and, thanks for the help to date - this is much cooler than total
>failure)
>
>
William,
I would think that an increase of 500% in your tank capacitor's value
might
make this system work very well. The .001 is just a bit small for the
size
secondary and power you are running. Try a .005ufd unit if possible.
R. Hull, TCBOR