Re: helical cap

• To: tesla-at-pupman-dot-com
• Subject: Re: helical cap
• From: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Sun, 28 Feb 1999 18:23:11 -0700
• Approved: twf-at-verinet-dot-com

> Original Poster: bryan <bryan-at-apexrad-dot-com> 
> 
> Sorry,
> 
>            2         2
>          a     x   n
>    L = ___________________
>         ________________
>        *(8a+11w)(9a+10h)
> 
> was supposed to have a square root in the denominator. The font I was
> using
> didn't translate, besides it's probably a poor approximation anyway. I'm
> 
> still trying to find the actual equation. It seems to me that somebody
> has it
> posted on thier web site.
> 
> Bryan Kaufman

I think it should be (r^2 * n^2)/(8a + 10h + 11r) where r = mean 
radius.

?
Malcolm

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