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Re: electrode distance for stationary spark gap

Original poster: "Antonio Carlos M. de Queiroz" <acmdq@xxxxxxxxxx>

Tesla list wrote:
Original poster: "Christopher" <cpfortun@xxxxxxxxxx>
Hello all....
I am trying to figure out how you determine how much of a gap distance between two stationary electrodes should be? For a stationary spark gap. Is there a formula ? All responses are appreciated :)

If the distance is small compared to the radius of curvature of the electrodes, 30 kV/cm. Hot electrodes reduce the figure in inverse proportion. Pressure increases it in direct proportion. If the distance is very small, the relation fails. You can´t obtain sparks with voltages below 300 V.

Antonio Carlos M. de Queiroz