Re: KVA Model 9J

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

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-qwest-dot-net>" <m.j.watts-at-massey.ac.nz>

Hi Bob,
       Those numbers sound quite reasonable to me. Similar in fact to 
a magnifier one of Richard Hull's contemporaries built once (a 
picture of it was featured in Richard's "Guide To The Colorado 
Springs Notes"). I do have a question: What is your breakrate? If you 
can get a handle on Ep*BPS you could compare that with your measured 
power draw to see what kind of wallplug efficiency you are getting.

Regards,
malcolm


On 6 Oct 2001, at 14:47, Tesla list wrote:

> Original poster: "bob golding by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<yubba-at-clara-dot-net>
> 
> Brian,Justin, all,
>     I have just plugged in the numbers for my big coil. I am getting regular
> 7 foot arcs with 2.2 kva input. either I am pushing more than 2.2 kva though
> my tranny or the coil is very efficient. Must check the input current again.
> with a digital multimeter across the variac it is drawing around 8 amps. The
> output voltage is 8200v and the cap is a 70nF mmc. the sec is 42" x 10"
> wound with 18 awg wire. I have both a static and a rotary gap.The arc length
> is about the same except that the static gap doesn't quench very well. The
> top load is one Finn hammer toriod with a 48" x 8" ducting toriod on top.
> The Frequency is about 129 kHz----- Comments anyone?
> cheers
> bob golding
> 
> Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Saturday, October 06, 2001 8:28 PM
> Subject: RE: KVA Model 9J
> 
> 
> > -----
> > 10J
> > 25 ft, 240V, 100A, therefore 24KVA or 1.04 ft/KVA
> >
> > 9J
> > 16 ft, 240V, 75A, therefore 18KVA or 0.88 ft/KVA
> >
> > 8J
> > 12 ft, 240V, 50A, therefore 12KVA or 1.00 ft/KVA
> > -----
> 
> 
> 
> 
>