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| Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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| Laser 28 - Excellent example of this great design Hamble le rice |
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Whats with the dagger board.. |
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fleaberto 
Far too distracted from work 
Joined: 12 Jan 09 Location: United Kingdom Online Status: Offline Posts: 302 |
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 Topic: Whats with the dagger board..Posted: 23 Jan 13 at 1:21pm |
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Not all of the Vendee boats H/G's have failed - don't forget Javier Sanso is still there and 100% fossil fuel free...not a drop of fuel was put onboard and Dominique Wavre has no complaints, having only used 10litres of diesel since the start: http://www.vendeeglobe.org/en/news/newswire/10707/dominique-wavre-s-energy-system.html
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Lightning368 'All the Gear' (409), Lightning368 'Sprite' (101), Laser (big number) 'Yellow Jack', RS Vareo (432)'The Golden Rays'
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getafix
Really should get out more 
Joined: 28 Mar 06 Location: United Kingdom Online Status: Offline Posts: 2143 |
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Posted: 23 Jan 13 at 12:52pm |
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They are a great idea and fit nicely into the ethos of powering your boat's electronics and systems naturally, rather than with a stinky engine ... however, I do think that the proliferation of technology inside boats, particularly in navigation systems, is taking away from old fashioned chart reading and plotting skills... not a good trend IMO.
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ASok
Really should get out more
Joined: 26 Sep 07 Location: United Kingdom Online Status: Offline Posts: 739 |
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Posted: 22 Jan 13 at 2:01pm |
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As a positive the vendee has proved to be one hell of a sea trial for the equipment. I'm sure the manufacturers will be working on improvements and it wont be long before more robust units are produced.
Does seem like a really neat idea though. More reliable than solar panels and I've never been a fan of the mini wind turbine on transoms
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johnreekie1980
Groupie 
Joined: 11 Jun 07 Online Status: Offline Posts: 91 |
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Posted: 22 Jan 13 at 1:02pm |
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The problems on the vendee have been a mixture of poor stock design, competitors hitting things and electronic failures out with the unit. It seems a really neat solution for your average cruising boat. The higher speeds of the vendee clobe require adjustment of the pitch of the blades this is another layer of compexity the cruisers do not have to deal with. Pretty expensive though.
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getafix
Really should get out more
Joined: 28 Mar 06 Location: United Kingdom Online Status: Offline Posts: 2143 |
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Posted: 21 Jan 13 at 8:46pm |
I'm thinking a fair few dollars will be spent on re-designs when the Vendee is over.... might be Ok cruising along <10knts, but obviously a few lessons needed to be taken into account when cruising at ~18knts is more the norm! |
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ifoxwell
Really should get out more
Joined: 05 Jan 06 Location: Hoo Online Status: Offline Posts: 669 |
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Posted: 21 Jan 13 at 2:56pm |
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Ok guess that makes sense.
Seems like a lot of engineering to just hang a prop off the back but I can see the thinking Ian
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RS300
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gbr940
Posting king 
Joined: 04 Jan 06 Location: United Kingdom Online Status: Offline Posts: 198 |
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Posted: 21 Jan 13 at 1:57pm |
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That one in particular is a Watt&Sea Cruising Hydrogenerator - most the Vendee boys are running the Racing version which has variable pitch props to reduce drag.
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RS400 GBR1321
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Contender 541
Really should get out more
Joined: 05 Dec 05 Location: Burton on Trent Online Status: Offline Posts: 1402 |
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Posted: 21 Jan 13 at 1:22pm |
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Yeah - Hydrogen
Brilliant idea - you make power for free with little to no (read so small not worth calculation in real world applications) drag penalty Small problem when they are your primary source of power and you break them - see Vendee (Is it 5 of them now?)
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When you find a big kettle of crazy it's probably best not to stir it - Pointy Haired Boss
Crew on 505 8780 |
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ASok
Really should get out more
Joined: 26 Sep 07 Location: United Kingdom Online Status: Offline Posts: 739 |
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Posted: 21 Jan 13 at 1:04pm |
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Definitely a hydrogenerator
Have you not followed any of the Vendee Globe? They have been a major source of pain to Alex Thomson on Hugo Boss. A couple of others have had issues with them.
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tgruitt
Really should get out more
Joined: 02 Dec 04 Online Status: Offline Posts: 2479 |
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Posted: 21 Jan 13 at 1:02pm |
You beat me to it!!!  |
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Needs to sail more...
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