Plastic Bottle SW caps ?

To: "'Tesla List'" <tesla-at-pupman-dot-com>
Subject: Plastic Bottle SW caps ?
From: Tesla List <tesla-at-stic-dot-net>
Date: Fri, 21 Aug 1998 23:08:16 -0500
Approved: tesla-at-stic-dot-net

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From:  Mad Coiler [SMTP:tesla_coiler-at-hotmail-dot-com]
Sent:  Friday, August 21, 1998 5:27 PM
To:  tesla-at-pupman-dot-com
Subject:  Re: Plastic Bottle SW caps ?

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>From:  Hollmike-at-aol-dot-com [SMTP:Hollmike-at-aol-dot-com]
>Sent:  Thursday, August 20, 1998 6:34 AM
>To:  tesla-at-pupman-dot-com
>Subject:  Re: Plastic Bottle SW caps ?
>
>Will,
>    If I am not mistaken, soda bottles are make from PETE.  I believe 
that
>this is the same as mylar, which doesn't handle high frequency too 
well.  I
>would suggest looking for polyethylene bottles such as milk bottles are 
made
>from.  Then again, what would it hurt to try the soda bottles?
>Mike Hollingsworth

I used a bunch of Mountain Dew Quick Slam bottles in my first TC. It was 
incredibly poor but worked. Using two OBIT's I could get about 9" 
sparks. Lately, with hockey puck caps and a new RQ spark gap I have 
attained 29" sparks from it. The one problem is that even at only 10kV 
the thicknes of the walls of the bottles arent enough to hold off the 
voltage. I had two banks of bottles in series, I belive like 6 bottles 
in each bank. I dont remember for sure but I think it was overall around 
.006 uF. I would recomend if you want to build a dirt cheap capacitor 
that you may want to try glass bottles.

Tristan Stewart

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