Edition
Boats for sale
| 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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List classes of boat for sale |
Technical protest |
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fudheid 
Far too distracted from work 
Joined: 21 Apr 11 Location: 51.53 N 01.28 E Online Status: Offline Posts: 241 |
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 Topic: Technical protestPosted: 19 Nov 19 at 8:10pm |
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Put simply, the question still remains.... To me the fence is a contrivance?
So the rules state: Daggerboards, bilgeboards, double rudders, winged rudders and similar contrivances are prohibited. Is the fence a similar contrivance? |
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Cheers you
only me from over the sea...... |
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423zero
Really should get out more 
Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420 |
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Posted: 19 Nov 19 at 8:59pm |
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Obviously it's added to blade, so it's a contrivance. You can't buy a Merlin rudder with a fence.
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Robert
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gbrspratt
Posting king 
Joined: 26 Sep 11 Location: Felixstowe Online Status: Offline Posts: 170 |
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Posted: 19 Nov 19 at 9:04pm |
They come like that from one of the manufacturers if you want it. |
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423zero
Really should get out more
Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420 |
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Posted: 19 Nov 19 at 9:10pm |
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Rockatross, don't think it's class legal, so it's a blade you can buy that will fit a Merlin stock.
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Robert
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Rupert
Really should get out more
Joined: 11 Aug 04 Location: Whitefriars sc Online Status: Offline Posts: 8956 |
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Posted: 19 Nov 19 at 9:14pm |
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Surely it is whatever the class choose it to be? If they, as owners, decide to allow fences, or rather, to not disallow them, then they are obviously not "similar contrivences" or whatever the phrase was. Haven't they been using them for years?
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Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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gbrspratt
Posting king
Joined: 26 Sep 11 Location: Felixstowe Online Status: Offline Posts: 170 |
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Posted: 19 Nov 19 at 9:27pm |
Rockatross is legal and racing. These are Winder Merlin rudders if you really want to know . |
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gbrspratt
Posting king
Joined: 26 Sep 11 Location: Felixstowe Online Status: Offline Posts: 170 |
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Posted: 19 Nov 19 at 9:33pm |
I think what's happened is it wasn't noticed that they may or may not be in breach of this rule. And now it's been brought to everyone's attention. But no-one is clear on why it is or isn't legal. Grandfathering the ones out there has been suggested. But not enough people can agree on an answer. It's really interesting hearing non class sailors opinions |
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423zero
Really should get out more
Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420 |
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Posted: 19 Nov 19 at 9:42pm |
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I know one thing this is the type of dealing that winds iGRF up
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Robert
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davidyacht
Really should get out more
Joined: 29 Mar 05 Online Status: Offline Posts: 1345 |
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Posted: 19 Nov 19 at 10:30pm |
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Surely a fence is to improve foil efficiency by reducing ventilation and hence increasing the effective span, whereas wings generate vertical lift and energy recovery from the stern wave.
I can see why a class might want to outlaw winged rudders, since the cost can be disproportionate and may limit how and where a boat may be sailed, a very different problem to tinkering around with fences. But in the end it is for the Merlins to decide if this is a worthwhile avenue to pursue.
Bear in mind that they are a restricted class and not a development class, and they have done a pretty good job in managing evolution not revolution. |
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Happily living in the past
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JimC
Really should get out more
Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6661 |
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Posted: 19 Nov 19 at 11:13pm |
"Similar contrivances" is not the smartest bit of rule writing I've ever seen, but grief, you people are making a mountain out of a molehill, hell, not even as big as a molehill. A blade fence is an utterly different thing to a lifting foil. I am to say the least not biased towards the Merlin class, but I don't think the distinction presents the slightest problem. |
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