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Secondary Frequency(fwd)




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From:  Michael Tucknott [SMTP:Michael.Tucknott-at-virgin-dot-net]
Sent:  Saturday, August 08, 1998 2:46 PM
To:  Tesla List
Subject:  Re: Secondary Frequency(fwd)

Tesla List wrote:
> 
> ----------
> From:  terryf-at-verinet-dot-com [SMTP:terryf-at-verinet-dot-com]
> Sent:  Tuesday, August 18, 1998 11:41 PM
> To:  tesla-at-pupman-dot-com
> Subject:  Re: Secondary Frequency(fwd)
> 
> I just tallied the responses:
> 
> Another Coiler          418kHz  275kHz
> Reinhard                200     200
> Mark S. Rzeszotarski    360     285
> John Couture            324.0   250.3
> Ed Sonderman            375     296
> Dave Sharp              393     310
> Bert Hickman            410-430 275-295
> Bart Anderson           367     290
> 
> Perhaps if these coils are really built we would see who is closest!  Or,
> perhaps it is better if we don't go there :-))
> 
>         Terry Fritz (who goes with Mark Rzeszotarski in such matters :-))
> 
> At 01:30 AM 8/18/98 EDT, you wrote:
> >Hi to All,
> >
> >
> >Below are two given coils.
> >What is the frequency of each coil? Another coiler and I disagree on the
> >resonant frequency of these two coils. Can somebody help?
> >
> >Coil A:
> >21.7" long
> >3" diameter
> >Wound with 1230 feet AWG 28
> >He says 418kHz (I say 200 kHz)
> >
> >Coil B
> >10.84" long
> >6" diameter
> >Also wound with 1230 feet AWG 28
> >He says 275kHz (I say 200 kHz)
> >
> >Who is right??
> >
> >Thanks,
> >Reinhard
> >
> >

Hi Terry and all

First off I`m no expert at maths so can someone please tell me why there
were so many different answers.
I usued ED`s excel spred sheet and came up with
a different answer not far of the 375/296 but I think I had the
turns/Inch
figure incorect.

Cheers Mike Tucknott