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smooth sphere vs unsmooth sphere




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From:  Bert Hickman [SMTP:bert.hickman-at-aquila-dot-com]
Sent:  Friday, March 27, 1998 8:22 AM
To:  Tesla List
Subject:  Re: smooth sphere vs unsmooth sphere

Tesla List wrote:
> 
> ----------
> From:  Sulaiman Abdullah [SMTP:sulabd-at-hotmail-dot-com]
> Sent:  Thursday, March 26, 1998 10:25 AM
> To:  tesla-at-pupman-dot-com
> Subject:  Re: smooth sphere vs unsmooth sphere
> 
> Tristan,
> You can estimate the voltage produced by your coil now.
> VOLTAGE = 2.83 MV x R         (R = radius in meters)
> I just worked this formula out today based on a commonly accepted value
> of 25 micro-coulombs per square meter being the limit before breakout.
> 
<SNIP>

Sulaiman

Where'd you find the 25 uC/square meter figure? Was this for DC?

Thanks!

-- Bert --