Re: SRSG gap distance?

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

Original poster: "Jim Lux" <jimlux-at-earthlink-dot-net> 


-----
 > Original poster: "Luke" <Bluu-at-cox-dot-net>
 >
 > Let me see if I have got this right.
 > In a static gap the adjustments are made by varying the distance of the
gap.
 > With a rotary gap however you do not adjust this distance.  It is set and
 > the thing that makes and breaks is the physical motion between electrodes.
 > Is that it?
 >
 > And if this is all true how do you determine how close the gap should be
on
 > a SRSG?
 > Is there a formula for this?  Or is it just set really small and the
 > distance doesn't really mater?

Set the gap close enough that the open circuit voltage can break down the
gap when the electrodes are close together, but far enough that the
electrodes don't hit each other as they fly by. Depends a lot on mfr
tolerances and such. Shorter gaps are lower loss.