Re: strength of vacuum

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

Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net> 

What kind of stress levels (volts-per-turn) are we talking about requiring
the secondary to be encased in oil?  Also what is the power level and coil
height?

Just curious
Gerry R

 > Original poster: "Jim Lux" <jimlux-at-earthlink-dot-net>
 >
 > Depending on the size, you don't need anything near 1/2".  If you're using
 > oil for insulation, you don't need inches and inches of it surrounding the
 > coil, do you?  The primary breakdown path will be through the air on the
 > outside of the tank.  A half inch or inch of oil around the windings
should
 > be sufficient, and won't weigh much.
 >