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Re: duh

Hi Chris,

On 6 Jun 00, at 8:13, Tesla List wrote:

> Original Poster: "Christopher Boden" <chrisboden-at-hotmail-dot-com> 
> >Original Poster: "Malcolm Watts" <malcolm.watts-at-wnp.ac.nz>
> >Agree. I thought the implication of the original poster was that there
> >was a non-self capacitance present at each stage but I must have
> >been wrong.
> >Regards,
> >Malcolm
> >
> >
> No, I'm not that smart :) I just wanted to know if it was possible to make a 
> coil that could be swapped to either a Maggie or a 2coil system easily, like 
> by simply removing the 3rd coil and replaceing it with a topload.

That depends on the primary/secondary arrangement. If it is tightly 
coupled (say 0.6 or so) the clearances will be hopeless. You could 
however get around that problem by giving the secondary (and 
primary for mag type coupling) the usual 4:1 or so aspect ratio and 
then for operation as a two coil, hoist the secondary up out of the 
primary to get the coupling back to a 2 coil level. If the 2 coil topload 
is big enough you could also eliminate having to retune the primary 
when swapping from one system to the other.