Edition
Boats for sale
| Free mast for Merlin Rocket - has a bend! Guildford |
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| Bruce Roberts classic 45 Valencia, Spain |
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| Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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List classes of boat for sale |
Video of the week |
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MikeBz 
Really should get out more 
Joined: 21 Apr 04 Location: United Kingdom Online Status: Offline Posts: 536 |
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 Topic: Video of the weekPosted: 13 Sep 12 at 7:24pm |
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If you watch the (49er) video frame-by-frame at around the 19s mark, the lightning comes down between the camera and the boats, presumably striking the water. Next comes the much brighter bolt which looks as though it only comes down to 49er mast height, and the boat on port tack appears to trail smoke from its mast tip.
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JimC
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Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6662 |
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Posted: 13 Sep 12 at 9:07pm |
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One thing you must avoid is being in the water. Apparently if there's a strike on the water nearby you provide a better path through the water than the water itself, which means you get a big current flowing across your body from arm to arm right through...
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alstorer
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Joined: 02 Aug 07 Location: Cambridge Online Status: Offline Posts: 2899 |
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Posted: 13 Sep 12 at 10:30pm |
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I can assure you that normal carbon fibre composites are very, very much insulating. Carbon fibres themselves are one dimensional conductors, but standard epoxy resin is insulating- the fibres should be wetted out! I've seen panels come back from simulated lightning strikes with nasty big holes through them... (don't worry, it is sorted for plane wings) |
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Al |
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Fliptop
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Joined: 04 Jan 07 Location: United Kingdom Online Status: Offline Posts: 25 |
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Posted: 13 Sep 12 at 11:59pm |
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Hmm, I think that needs further consideration.
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Jack Sparrow
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Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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Posted: 14 Sep 12 at 7:38pm |
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Umm it won't embed, but worth a look even though it isn't quite sailing.
http://youtu.be/g3oUkyMae0c?hd=1 Edited by Jack Sparrow - 14 Sep 12 at 7:42pm |
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Guests
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Posted: 14 Sep 12 at 8:24pm |
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Jack Sparrow
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Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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Posted: 15 Oct 12 at 10:45am |
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pondmonkey
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Joined: 12 Aug 11 Online Status: Offline Posts: 2202 |
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Posted: 15 Oct 12 at 6:42pm |
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double post, but given the context...
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Neptune
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Joined: 08 Jun 09 Location: Berkshire United Kingdom Online Status: Offline Posts: 1314 |
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Posted: 15 Oct 12 at 7:03pm |
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Not available on mobiles or my nexus 7
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Musto Skiff and Solo sailor
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pondmonkey
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Joined: 12 Aug 11 Online Status: Offline Posts: 2202 |
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Posted: 15 Oct 12 at 7:37pm |
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Okay- I'll try uploading a lower res / mobile friendly version tomorrow
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