Big Secondary

From:  Malcolm Watts [SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent:  Thursday, June 18, 1998 1:17 AM
To:  Tesla List
Subject:  Re: Big Secondary

Hi Dwight,

> From:  dwight duncan [SMTP:duncand-at-ccsalpha2.nrl.navy.mil]
> Sent:  Wednesday, June 17, 1998 11:49 AM
> To:  tesla-at-pupman-dot-com
> Subject:  Big Secondary
> Hi All,
>     It has been a while since I have signed on but I think I needed a
> break.  Now that I have made a 3 KW magnifier system and had great success
> with it I am going to move on to other things.
>     What I have in mind is a large coil, essentially modeled after what I
> know about Nemeses.  I propose a secondary that is on a polyethylene drum
> and is 24" dia. with a 30" winding length. The toroid will be 8x36" and the
> primary will be a flat spiral, a .08mf Maxwell cap and a 2400 rpm, 12 point
> rotory gap with Elconite stationary electrodes.
>     All of this may be under powered by my supply which is 10 Kv -at- 300 ma,
> but it is all the supply I can afford at the moment.  With the shipping
> cost of a 10 KVA pig and the ballast to go with it is just out of my reach
> at the moment.  I think even with 3 KVA I won't be disappointed with such a
> large coil and a small aspect ratio.
> Any comments are very much welcome,
> Dwight

30" high is not going to allow very high secondary voltages in a two 
coil system. If that was the output resonator in a three coil system 
on the other hand, you could stuff a fair bit of the voltage into the 
driver secondary. Sounds like a nice resonator for a three coil