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RE: 8" coil powered by NST's ?



Original poster: "Basura, Brian by way of Terry Fritz <twftesla-at-qwest-dot-net>" <brian.basura-at-unistudios-dot-com>

Jim,

If you don't plan to significantly increase the power at a later date then
go with the 6" secondary. One other thing, I'd go with a flat primary. The
15-degree one is inviting over coupling and primary strikes.

Regards,
Brian B.

 -----Original Message-----
From: 	Tesla list [mailto:tesla-at-pupman-dot-com] 
Sent:	Wednesday, November 21, 2001 9:57 AM
To:	tesla-at-pupman-dot-com
Subject:	8" coil powered by NST's ?

Original poster: "Jim Mora by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<jmora-at-fillmore.k12.ca.us>

Hello All and Happy Thanksgivings USA,

I have completed my HV supply, MMC bank (.021 uf), safety and RQ air blast
gaps, and worm gear powered LARGE winding jig. I have two PVC coil  forms,
36" long, a 6.25 inch and a 8.125". The 8" is prepped. I would like your
opinions on whether (2) 15KV/60 high power NST's will drive this coil or
would it be better to prep and use the 6"?

Specs:

Primary: 15 turns .25 copper tube, spaced .25 with a 2" arc space on a 15
degree incline. Java Tesla projects tapping between 12 and 13 -at- 112Khz for
an 8" coil (about fifty feet of tube).

Proposed secondary: 8.125 x 36" 22 AWG double formar.

1. What do you think? Will there be enough power? I may latter add LTR to
.032 as I have the caps at hand.
2. What do you suspect would be the maximum toroid size (dryer duct) and
still achieve adequate breakout?

This is my first sizeable coil, except for small one I built out of triodes
when I was very young which didn't do doodely squat:-).

This coil will likely end up in a Faraday cage in our new science wing after
I have had some fun with it!

Thanks for your assistance.

Jim Mora
Systems Integration Specialist FUSD, MCP
Land(805) 524-6007
Cell (805) 558 3090
Alpha Messaging http://www.msg.myvzw-dot-com/messaging.jsp
Pager Number 8055583090