Re: Capacitance of a coil

  Reinier -

  The Medhurst equation does not use wire length to find the self
capacitance of a coil. A coil without wire has a self capacitance? This
should help to confuse you and any coiler who wants to make a calc program
of this type,

  John Couture

<<<< I assume John meant a can.  Which would be a single turn of wide wire.
 - Terry  (who is confused and is making a calc program of this type :-))


At 09:25 PM 1/13/99 -0700, you wrote:
>Original Poster: Reinier Heeres <rwh-at-worldonline.nl> 
>OK coilers,
>please help me on this: I'm writing a Tesla coil calc program (well,
>just for me to understand it better and get familiair with the calcs),
>but I don't know how to calculate the capacitance of a coil. I could of
>course use Medhurst's formula (is there a table for H/D ratio > 5?), but
>I wanted to know if there's another way to calc it too.
>Thanks, Reinier
>BTW: It's only going to handle metric units!