Quote:
Originally Posted by Sailing Ohm
[...]
Now those fuzzy little lightning diffusers I would call snake oil...
[...]
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I wouldn't dismiss them, as they allow smaller static charges to dissipate into the
water. Only one doesn't see them as
lightning and hence thinks they're doing no good... it might be a matter of measuring such pulses through a coupled line in order to tell what's happening.
This could be an idea for a relatively simple device, extending a lightning warning
sensor to also show how often owns own lightning arrestor got energised.
I deliberately avoid writing "hit", as a direct hit is likely to cause lots of damage, but even a close-by hit induces enough energy into stays and masts to wreak havoc. And for those latter ones the grounding system works well, it seems.
My own
steel sloop got hit at least once into the insulated backstay. The
MOB marker post was tied to it and has an aluminium
core. From the marks on the post and black spot on the
deck I could tell the strike jumped the gap from the backstay to the pole and into the
deck.
I've since replaced the
HF radio and tuner.