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Re: How should we measure coil efficiency




From: 	FutureT-at-aol-dot-com[SMTP:FutureT-at-aol-dot-com]
Sent: 	Saturday, July 26, 1997 3:11 PM
To: 	tesla-at-pupman-dot-com
Subject: 	Re: How should we measure coil efficiency

In a message dated 97-07-26 13:01:11 EDT, you write:

<< 
> I maintain that this msmt can be done during operation, with an HV probe
> and an oscilloscope.  One simply has to observe the cap voltage just before
> the gap fires.  The msmt results are quite repeatable.
 
> The only reason that the msmt is easier on a DC coil is because the cap
voltage
> at firing is more constant, so an RMS conversion is not necessary.
 
> -GL

Greg, All,

Agreed, also a sync-gap should give a pretty repeatable energy charge 
too, I would think?

John Freau
 
  >>