Re: Secondary Theory (Was Bipolar Coil)-Heretical view

• To: tesla-at-pupman-dot-com
• Subject: Re: Secondary Theory (Was Bipolar Coil)-Heretical view
• From: Ed Phillips <evp-at-pacbell-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Thu, 20 May 1999 05:41:56 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Terry:

	Read your notes on arc impedance with lots of interest.  The relative
insensitivity of the discharge impedance to the power in it is
surprising (but maybe not to someone who really knows the physics of
atmosphric-pressure discharges).  The streamer lengths certainly tend to
increase with duration of the discharge (significant fractions of a
second), and can be "blown out" with an air blast (at least for the
small coils I have played with), so I assume your equivalent circuit
applies with a fully-developed set of streamers.  If I didn't slip a
decimal point, looks as if the Q of a secondary with fully-developed
streamers if of the order of 20 or so, compared to several hundred at
power "before breakout".  Am I correct?

Ed

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