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Re: secondary shape



In a message dated 99-04-05 04:11:12 EDT, you write:

<< 
> Original Poster: mark <moyson-at-tig-dot-com.au> 
 
> Hello all,
> Im thinkingn about making a secondary coil to use with a flat spiral 
primary.
> Would there be any advantages in having a hyperboloid shape secondary. Like
> a conical shape??? THin at the centre and larger diameter at the ends such
> that a large portion of the surface area of the secondary is equi-distant
> from the primary???This shape copuld also reduce the amount of flashover
> from the primary to secondary.
> mark
  >>

Mark,

My intuitive guess is it won't help, since most of the coupling 
occurs near the base.  But it might be worth a try to see what 
happens.  It will be hard to wind, but will have an interesting 
appearance.  

John Freau