I don't think carbon balls are suitable for lightning protection. Think of
the voltage drop that would appear across each ball during a direct hit. I
think they would vaporize.
At http://www.rossengineeringcorp.com/hv_spark_gap.htm lightning is not one
of the applications mentioned for their carbon balls.
73, Mike
www.w0btu.com
On Fri, Jul 27, 2012 at 9:35 AM, DAVID CUTHBERT <telegrapher9@gmail.com>wrote:
> Note that Ross Engineering uses carbon balls on their spark gaps.
>
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UR RST IS ... ... ..9 QSB QSB - hw? BK
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