Re: [TCML] Solid state efficiency, was: mini Tesla coil specs

["Dex Dexter" <dexterlabs@xxxxxxxxxxx>]

Spark propagation for a positive or a negative spark?
I think I read there were some differences ,and tesla coil 
sparks are generated by bipolar waves.


Dex 

--- kchdlh@xxxxxxxxx wrote:

From: Ken or Doris Herrick <kchdlh@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] Solid state efficiency, was: mini Tesla coil specs
Date: Thu, 12 Nov 2009 08:57:08 -0800

 A research paper I have a copy of has found spark 
propagation in air, measured over 1 inch of distance, to require about 
50 ns of time.  That extrapolates to about 20 inches of travel per 
microsecond.  So with a high rate of voltage-rise, more charge can be 
applied to the electrode than can bleed off through the spark during its 
first several inches of travel. 

Ken Herrick





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