Re: OLTC update - A problem!

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

Original poster: "Mazzilli Vladimiro by way of Terry Fritz <twftesla-at-qwest-dot-net>" <mazvla-at-iol.it>



Tesla list wrote:

> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<FutureT-at-aol-dot-com>
>
> In a message dated 8/28/02 10:24:06 PM Eastern Daylight Time,
tesla-at-pupman-dot-com
> writes:
>
> >
> > With 286 watts in I should be able to get streamers of 28 inches according
> > to John's formula.  Much more considering I am not burning power in a spark
> > gap.  But either the low frequency (I note that I am at the frequency of
> > Greg Leyh's Electrum which seems to come in a little low for streamer
> > length given the input power)

Terry, where is John's formula? Probably I have it in some paper, but I'm
not able
to find it.

Cheers

Vladi

>
>
> Terry,
>
> Congratulations on your results so far.  Regarding Greg's Electrum
> coil, I seem to remember that it gave about the same spark length,
> as the break-rate was increased within a certain range.  Near the
> low end of the break-rate range, the coil was quite efficient.  I think
> Greg said the coil gave almost the full spark length of 40 to 50 feet,
> at 110 bps or so.  As he raised the breakrate, the sparks became
> bushier and fuller, but not much longer.  I think it drew 40kW at
> 110 bps or so, and gave maybe 38 foot sparks.  This easily
> surpasses what my equation predicts.  This information is not
> as Greg's website, and I may not have it 100% accurate, because
> I gathered it from data in his various emails, but I think it's
> close, and if I'm correct, it suggests that Greg's coil is capable
> of very high efficiency at the lower break-rates.  Maybe Greg
> will comment further.
>
> John