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Secondary Frequency(fwd)
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To: "'Tesla List'" <tesla@pupman.com>
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Subject: Secondary Frequency(fwd)
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From: Tesla List <tesla@stic.net>
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Date: Tue, 18 Aug 1998 23:57:23 -0500
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Approved: tesla@stic.net
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From: Malcolm Watts [SMTP:MALCOLM@directorate.wnp.ac.nz]
Sent: Tuesday, August 18, 1998 5:39 PM
To: Tesla List
Subject: Re: Secondary Frequency(fwd)
Hello Reinhard,
> From: RWB355@aol.com [SMTP:RWB355@aol.com]
> Sent: Tuesday, August 18, 1998 12:31 AM
> To: fwd
> Subject: Secondary Frequency(fwd)
>
> 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)
He is closer (probably a a bit less than 418kHz)
> Coil B
> 10.84" long
> 6" diameter
> Also wound with 1230 feet AWG 28
> He says 275kHz (I say 200 kHz)
>
> Who is right??
Without resorting to the calculator for this example, a bet says he
is again. You used wirelength in both your calcs, right?
Malcolm