RE: gap breakdown voltages

[Terry Fritz <twftesla-at-uswest-dot-net>]

One of the most "famous" spark gap tables was published for years in the
CRC physics handbooks.  I don't know why they stopped publishing this table
I used often...  I scanned it below:

http://1071737050/site/misc/SGapVolt.jpg

Cheers,

	Terry


At 08:18 PM 7/29/00 -0700, you wrote:
>
>Richard -
>
>You are correct there are many spark tables in electrical handbooks but they
>are not particularly consistent. Spark length is dependent on many
>variables. The electrical handbook tables are for specific conditions and
>not for Tesla coils. That is why I made the graphs shown in the Tesla Coil
>Design Manual. These graphs were made from real world Tesla coil data that I
>had collected from coiler's information. All coilers do not agree on some of
>this information.
>However, no one else has published similar graphs so the TCD Manual graphs
>will have to do for the present.
>
>John Couture
>
>--------------------------------
>
>-----Original Message-----
>From: Tesla list [mailto:tesla-at-pupman-dot-com]
>Sent: Saturday, July 29, 2000 11:12 AM
>To: tesla-at-pupman-dot-com
>Subject: RE: gap breakdown voltages
>
>
>Original poster: "Richard Barton" <richardbarton-at-caving5.freeserve.co.uk>
>
>Hi Chris
>		You'll find a spark table on page 12-2 of the
>Tesla Design Manual, by J H Couture. I have several other
>such tables, but none of them a particularly consistent.
>					Richard Barton
>
>-----Original Message-----
>From: Tesla list [mailto:tesla-at-pupman-dot-com]
>Sent: Saturday, July 29, 2000 4:32 AM
>To: tesla-at-pupman-dot-com
>Subject: gap breakdown voltages
>
>
>Original poster: CTCDW-at-aol-dot-com
>
>Hello all!
>
>I was wondering if there exists a chart giving approximate breakdown
>voltages
>through air. I understand that there are many variables, such as humidity,
>electrode radius, etc, but  ballpark figure is all I am looking for.
>This info is of interest to me in setting my safety gaps, and knowing about
>where they would fire.
>
>Thanks for any assistance!
>
>Chris
>
>
>
>
>
>