Re: Isotropic Capacitance
Tesla List wrote:
> >From ed-at-alumni.caltech.eduWed May 29 19:06:05 1996
> Date: Wed, 29 May 1996 15:49:21 -0700 (PDT)
> From: "Edward V. Phillips" <ed-at-alumni.caltech.edu>
> To: tesla-at-pupman-dot-com
> Subject: Re: Isotropic Capacitance
> Re: Richard H's "Rule of 30"
> "There is a rule of thumb. Don't over use it, though. If a body is over
> 30 of its maximum dimension distant from any other body, then its
> apparent isotropic capacity is stable and may be considered to be fully
> That sounds very, very conservative to me.
> Ed Phillips
It was meant to be conservative. Otherwise I would hear the pouting of
Tesla buffs about how my "law of 10 or 15 or 20" didn't work well!
Some how suggestions and general rules of thumb often magically develop
into canonical law when repeated often enough in closed circles.
Richard Hull, TCBOR