Re: Cylinder Spark Gap question

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

Original poster: "Antonio Carlos M. de Queiroz by way of Terry Fritz <twftesla-at-qwest-dot-net>" <acmq-at-compuland-dot-com.br>

Tesla list wrote:
> 
> Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>

> You may want to use 0.006 to 0.008 gap spacing instead of 0.004 since that
> seems to work better.

Are you sure about these distances? 0.004 inches is 0.1 mm. At this
distance the rule of 30 kV/cm for plane-plane gaps predicts 300 V, but
this is about the minimum sparking voltage in normal air. You mention
600 V for 0.004" gaps. Is this right?

Antonio Carlos M. de Queiroz