Re: Sparklength inquiry

• To: tesla-at-pupman-dot-com
• Subject: Re: Sparklength inquiry
• From: Greg Leyh <lod-at-pacbell-dot-net> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Mon, 28 Sep 1998 17:15:43 -0600
• Approved: terryf-at-verinet-dot-com

> Original Poster: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
> 
> I think there is an inherent problem with trying to measure
> length/power:
[snip]
> For example, I have got to a foot of airstreamers under repetitive
> conditions with Ep around 0.6J and BPS=100  (= 60W!). Now, with just
> 1 BPS and 3.5J I can also get to one foot (=3.5W!).  I think there
> needs to be an Ep spec and see what an increase in BPS can do with
> that figure. A question then arises: can some coils do better at 3J
> and 1BPS than others?  I am sure the answer is yes - in fact I know
> it is having conducted the test. Those power figures I've given are
> for a continuous input to whatever coil/capacitor configuration I
> used. Be interested to hear other comments on this.

I would propose that the length/power for a coil should be 
measured at its optimum BPS, since that's where the fun is.
If the BPS is not adjustable, then the the coil should be
spec'd where it lies.
-- 


-GL
www.lod-dot-org

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