Re: Top Toroid

• To: tesla-at-pupman-dot-com
• Subject: Re: Top Toroid
• From: Bert Hickman <bert.hickman-at-aquila-dot-com>
• Date: Fri, 31 Jan 1997 22:13:53 -0800
• Subscriber: bert.hickman-at-aquila-dot-com Sat Feb 1 21:09:35 1997

Tesla List wrote:
> 
> Subscriber: dll-at-egg-rb-dot-com Thu Jan 30 22:56:16 1997
> Date: Thu, 30 Jan 1997 10:49:00 -0500 (EST)
> From: dll-at-egg-rb-dot-com
> To: tesla-at-pupman-dot-com
> Subject: Re: Top Toroid
> 
> This may be old information, but I computed the equation for  the toroid data.
> 
> The equation is C = 0.0753 + 0.6045 * Height + 0.9338 * Diameter.
> 
> C = picofarads  Height and Diameter are in inches.
> 
> If anyone wants to see the curve fit, its is attached.
> <---- Begin Attached File ---->
> 
>  [Image]
> 
> <---- End Attached File ---->

Nice chart. Shielding from the coil below will typically reduce the
actual value by 15 - 25% however.

-- Bert --

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