Re: Primary/Secondary Size relationship

[FutureT-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

In a message dated 7/14/00 7:14:52 AM Pacific Daylight Time, tesla-at-pupman-dot-com 
writes:

> Original poster: Irrelative-at-aol-dot-com 
>  
>  When creating the primary of a tesla coil, does the secondary have to fit 
>  inside the primary or can it "hover" above it.  For example, if you have a 
4"
>  
>  PVC, but the inside diameter of your primary is 3", can you still use them 
> so 
>  long as the secondary is high enough away to prevent sparks from jumping?  
>  Ok, so maybe this question is seeming less hypothetical as you read it, 
but 
> I 
>  just want to see if I need to get a larger primary or not.  Thanks to all 
> the 
>  experts who keep us informed!

Yes,  you can build the coil that way and it will work fine.  I've done
it that way in some cases.

cheers,
John Freau