Re: optimal aspect ratio

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Alan Sharp by way of Terry Fritz <twftesla-at-qwest-dot-net>" <AlanSharp-at-compuserve-dot-com>

Greetings

>But, perhaps if you were to put it in a longer tube, full of oil or
>pressurized air?

Yes all of these schemes, eg under oil, litz wire, silver wire interturn
gap will
all work but it is always easier to get an even higher Q by winding a
bigger coil
with thicker wire.

Alan


Message text written by INTERNET:tesla-at-pupman-dot-com
>We also want to minimise the self capacitance of the coil - when this is
> taken into account it turns out that for maximum Q the height should
equal
> the coil diameter.  But such a squat coil would not be optimal - it would
> breakdown because of a high volts per turn ratio.
>
> Alan Sharp,
>
>

But, perhaps if you were to put it in a longer tube, full of oil or
pressurized air?<