Secondary Frequency(fwd)

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: Secondary Frequency(fwd)
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Tue, 18 Aug 1998 23:55:05 -0500
• Approved: tesla-at-stic-dot-net

----------
From:  Dave Sharpe [SMTP:sccr4us-at-erols-dot-com]
Sent:  Tuesday, August 18, 1998 5:11 PM
To:  Tesla List
Subject:  Re: Secondary Frequency(fwd)

Tesla List wrote:
> 
> ----------
> From:  RWB355-at-aol-dot-com [SMTP:RWB355-at-aol-dot-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)
> 
> 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

Reinhard, Chip

Coil A with my resonator model calculates at 393 kHz -at-97% fill of
#28 AWG magnet wire, (21.7mH, 1170', 77 ohms DC)

Coil B calculates at 310 kHz -at-97% fill #28 AWG magnet wire, (36mH,
1155', 76 ohms DC)

Regards

Dave Sharpe, TCBOR

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