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Forum: Multihull Sailboats 03-11-2017, 15:30
Replies: 106
Views: 22,027
Posted By transmitterdan
Re: Lightning protection for you boat

There are conductive additives used for making external aircraft parts to help mitigate damage from lightning. I haven't heard of any carbon spar makers using this. Hopefully soon they will begin...
Forum: Multihull Sailboats 03-11-2017, 15:22
Replies: 106
Views: 22,027
Posted By transmitterdan
Re: Lightning protection for you boat

I know that carbon fibers are conductive. I also know that the fibers are not all in a straight line. I also know the resin is made of nonconductive material. I also know that carbon fiber masts can...
Forum: Multihull Sailboats 03-11-2017, 08:46
Replies: 106
Views: 22,027
Posted By transmitterdan
Re: Lightning protection for you boat

Carbon fiber masts are made of conductive and non-conductive materials. Therefore they present a special challenge when lightning strikes. The carbon fibers twist and turn and the lighting current...
Forum: Multihull Sailboats 02-11-2017, 05:33
Replies: 106
Views: 22,027
Posted By transmitterdan
Re: Lightning protection for you boat

The PDF says $300.00 per year. No mention if that includes travel costs and tower climbing costs. Also, it seems hard to understand exactly what the inspection entails. Measuring 10 ohms resistance...
Forum: Multihull Sailboats 31-10-2017, 13:39
Replies: 106
Views: 22,027
Posted By transmitterdan
Re: Lightning protection for you boat

I found nothing about such a warranty or inspection requirement on their web site.
Forum: Multihull Sailboats 31-10-2017, 10:57
Replies: 106
Views: 22,027
Posted By transmitterdan
Re: Lightning protection for you boat

Bottle brush was a rage about 20 years ago. Many radio, TV and cell towers installed them. No peer reviewed studies proved they made any significant difference. I have not seen one installed on a...
Forum: Multihull Sailboats 31-10-2017, 05:45
Replies: 106
Views: 22,027
Posted By transmitterdan
Re: Lightning protection for you boat

Spare portable electronics stored in a mild steel box are likely to survive a lightning strike. Leave the batteries out of the devices if you can. And have a VHf radio that works with regular...
Forum: Multihull Sailboats 29-10-2017, 16:21
Replies: 106
Views: 22,027
Posted By transmitterdan
Re: Lightning protection for you boat

There are some snake oil products that claim to reduce the probability of a lightning strike. But as far as I know there is no proven method to do that. The reality is there is nothing you can do to...
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