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Showing results 1 to 11 of 11
Search took 0.00 seconds. Search: Posts Made By: GTom
Forum: Multihull Sailboats 02-11-2017, 06:02
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

True, contact resistance has to be taken care of with a proper grounding plate:thumb:.
Forum: Multihull Sailboats 02-11-2017, 05:33
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

Someone has to come up with a decent solution to channel the lightning from the top of the mast to the sea. DDCE and alike solutions will stay in "snake oil" category for me until I see MILLIONS of...
Forum: Multihull Sailboats 01-11-2017, 16:53
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

That's nothing extreme: Round Wire Resistance Calculator (https://chemandy.com/calculators/round-wire-resistance-calculator.htm)
Forum: Multihull Sailboats 01-11-2017, 03:37
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

That's approximately 15k$/unit+taxes+shipping+installation, almost as expensive as the boat I am planning to buy, leave me out... I rather cover the entire boat with 1000ft2 of copper mesh and be the...
Forum: Multihull Sailboats 01-11-2017, 02:45
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

AND there is nothing to burn on a metal hull. Metal boats are the safest bet against lightning damage - although I am not so sure about steel painted in multiple layers.
Forum: Multihull Sailboats 31-10-2017, 14:20
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

I could turn the problem around and use the lightning optimized grounding system for the SSB:) Read somewhere, that SSB grounding "problems" are overrated. (Obviously the radio itself must go in its...
Forum: Multihull Sailboats 31-10-2017, 12:59
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

Still reluctant to be an early adopter until I see an independent lightning expert's review. Google is quite silent on the topic, this very thread being the only forum reference, no 3rd party...
Forum: Multihull Sailboats 31-10-2017, 08:37
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

Add classic encapsulated keel designs too:(. Anyway, a decent grounding is of paramount importance.
Forum: Multihull Sailboats 31-10-2017, 08:03
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

You can patent whatever you want, I'll put one of these on my boat if I see it used and working all around. Are these government approved devices for those building owners who are obliged by law to...
Forum: Multihull Sailboats 31-10-2017, 06:58
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

Copper lightning rod, longer than the VHF aerial + a 25mm2 copper* wire running along the forestay? Instead of hull-trough, the end/grounding part (3-4m) stored normally in the anchor locker and...
Forum: Multihull Sailboats 31-10-2017, 03:17
Replies: 106
Views: 22,019
Posted By GTom
Re: Lightning protection for you boat

You can protect a spare VHF-kit, GPS, etc from the EMP by putting them in a dedicated Faraday cage or in the oven. Your boat will be then two lightning strikes away from the 19th century :thumb:

...
Showing results 1 to 11 of 11

 
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