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Re: vttc



Original poster: "claude masetto by way of Terry Fritz <twftesla-at-qwest-dot-net>" <claudmas-at-optusnet-dot-com.au>


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, January 02, 2002 3:26 AM
Subject: Re: vttc


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<FutureT-at-aol-dot-com>
>
> In a message dated 1/1/02 2:18:24 AM Eastern Standard Time,
tesla-at-pupman-dot-com
> writes:
>
> Claude,
>
> My 36" spark VTTC used a flat primary (actually it was a 15 degree
> inverted cone).  I made the grid coil slightly
> larger in diameter than the secondary, and placed it beneath the
> secondary.  The coil used a 6.5" x 23" secondary wound with
> 28awg wire.  The primary was about 20 turns of 12awg stranded
> pvc insulated wire.  The grid coil used a two layer solenoid about
> 1" long and 7" dia or so wound with 18awg, pvc insulated solid wire
> (about 18 turns).  I used (4) 833A tubes, and supplied the power
> from a 6300 volt plate transformer.   I did not have any flashover
> problems.
>
>   http://hometown.aol-dot-com/futuret/page3.html
>
> Click on tube coils, and other links.
>
> Cheers,
> John
>
> >
> > . Has anyone had experience with flat primarys
> > on tube coils and do they work just as well.
> > Help and advice is welcomed.
> > Claude.
> >
>
>
>
> Thanks John,
Am I correct in assuming that the grid coil is placed directly under the
secondary and therefore also under the primary.
Claude.