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RE: vacuum tube construction. (fwd)



---------- Forwarded message ----------
Date: Thu, 23 Aug 2007 11:23:13 -0500
From: David Thomson <dwt@xxxxxxxxxxxx>
To: 'Tesla list' <tesla@xxxxxxxxxx>
Subject: RE: vacuum tube construction. (fwd)

Hi Jeff,

> A pair of rare earth button magnets will be placed on
> either side of the SG to rapidly extinguish the arc. 

My experience is that magnetic quenching is far inferior to a
multiple static gap if you need quick rise times.  An air cooled
multiple gap or rotary gap is the way to go.  Magnetic quenching
works best when the oscillation is a near perfect sine wave,
rather than a damped wave.

Dave

David W. Thomson 
Quantum AetherDynamics Institute