J&M Weatherley wrote:
> I very much doubt that you would get a flash ionization situation
> across the small but finite resistance across thrust bearings, tilt
> over bearings, etc.
I figured the impedance would be high enough to create a heck of a
potential which would flash over to the tower itself.
> A 100,000 amp strike would make one great solid welded chunk!
Yeah, it would at that.
> In the BIG satellite dish world the azimuth and elevation axis
> bearings always have a heavy duty wire ground connection bypassing
the
> bearings to avoid having a solid block of metal in the event of a
> lightning strike.
Ah, thanks for that, very helpful bit of information indeed.
Thanks again,
Pete, AD5HD
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