Re: secondary core other than air

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

In a message dated 8/6/2000 3:44:21 PM Mountain Daylight Time, 
tesla-at-pupman-dot-com writes:

> 
>  I have just wound my 6.4" secondary with what I was told to be #24 wire,  
> but
>  wintesla seems to use incorrect figures for wire guage and turns per inch. 
 
> My
>  secondary has 33 turns/inch.  
>   
>  My secondary inductance is way too low and I now have re-calculated my 
> primary
>  with only 5 turns which I think will be terrible for spark gap losses.  My
>  topload is 20" wide so I can't drop secondary resonance any more unless I 
> use
>  some secondary core other than air or wind more turns on the secondary.
>  

Sounds like you have 21g wire.   I would think you could make another coil 
and run it as a magnifier to increase the overall "secondary" inductance.  
Mike