Re: NST Safety Gap Distance???

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

Original poster: "Daniel McCauley by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>


Thanks.  Yes, I am using corona balls on the end of #8 machine screws to
create my gaps.
Dan



> Safety gaps across a midpoint-grounded NST should be across each half to
> case-ground, so each one would see half of the NST's 15kV output voltage.
> A ballpark estimate would be about 0.2" each, assuming that the gap
> electrodes are smooth and rounded, like small spheres or brass drawer
pulls.
>
> Gary Lau
> MA, USA
>
> Original poster: "Daniel McCauley by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>
>
> I'm laying out my perfboard for my NST filter which includes safety gaps.
>
> The NST is 15kV.  What is the ballpark gap distance for 15kV.
> My gap will be fully adjustable but i just need a starting point so I can
> machine my board properly.
>
> Thanks again.
>
> Dan
>
>