Re: Primary coil design

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "teri mckenney by way of Terry Fritz <twftesla-at-qwest-dot-net>" <mck-at-ezy-dot-net>


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, June 01, 2002 10:45 AM
Subject: Re: Primary coil design
Hello,
My sec. adjusts about as easy.just loosen the wingnut on the bottom and
slide up or down.
I also connect my rf ground to this.See at:
http://hot-streamer-dot-com/temp/Picture%20008.jpg
Billy

> Hi Scot,
>
> Au contraire.
> Take a look at my pictures of the helical coil primary for my 4.5 x 24
inch
> with the 28 inch toroid. Yes, the solenoid does couple tightly and
sharply.
> >From way undercoupled to
> optimum to racing fireworks can take place within an inch of adjustment.
> Tuning also seem sharp. But the physical design is not only easy, but I
think
> it is easier to adjust
> the coupling for the solenoid than it would be for the Archimedes spirals
I
> have seen.
Snip
>  Very easy to adjust, and
> IMHO, better than anything I have seen for the Archimedes primary.
>
> Happy day,
> Ralph Zekelman
>
>
>
>