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MK 4 OSPREY
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Bumble View Drop Down
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Posts: 302 		Post Options Post Options   Quote Bumble Quote  Post ReplyReply Direct Link To This Post Topic: MK 4 OSPREY
    Posted: 06 Feb 06 at 2:20pm

A photo of a Skate lifted from the Aussie web site. The reason for all th spray is its just ridden over an I14..... and eaten it!
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rogerd View Drop Down
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Posts: 1076 		Post Options Post Options   Quote rogerd Quote  Post ReplyReply Direct Link To This Post Posted: 06 Feb 06 at 2:51pm
Twin planks Wow I want one.
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timnoyce View Drop Down
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Posts: 1991 		Post Options Post Options   Quote timnoyce Quote  Post ReplyReply Direct Link To This Post Posted: 06 Feb 06 at 3:25pm

I just had a look at the Skate site... some very interesting ideas it has to be said. Looks like they could be a lot of fun. Not sure I would be wanting to sail it inland on a gusty pond though...
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Prince Buster View Drop Down
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Posts: 1146 		Post Options Post Options   Quote Prince Buster Quote  Post ReplyReply Direct Link To This Post Posted: 06 Feb 06 at 5:25pm
Would the sliding seat principle work for a sliding wing?  Maybe if an 18ft skiff type boat had one massive sliding wing there could be less drag on the leeward side and a bigger righting moment on the windward side allowing much bigger sail areas and faster boats.
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Chris Noble View Drop Down
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Posts: 710 		Post Options Post Options   Quote Chris Noble Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 06 at 1:08am
yeh but that would be mega heavy to engineer id think for a wing of that size to slide etc, would add a lot of weight
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Pierre View Drop Down
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Posts: 1532 		Post Options Post Options   Quote Pierre Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 06 at 8:37am
And here is the new Mk4 Osprey in front of a Javelin and Fireball.  Marvellous


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JimC View Drop Down
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Posts: 6662 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 06 at 10:17am
Originally posted by Prince Buster

Would
the sliding seat principle work for a sliding wing? 


One of the issues is that if anyone is sitting or standing on the wing then you won't be able to slide it.

Originally posted by timnoyce

Not sure I would be wanting to sail it inland on a gusty pond though...


As a learner Canoe sailor and long term trapeze user I'm not yet convinced that a sliding seat is more difficult than a trapeze on my gusty reservoir, at least when the sailor's calves are as ancient as mine.

The weight of the seat has some interesting effects. Not the least is its effect on the roll inertia of the boat - if you are running deep the boat is less rocky if you slide the seat all the way out and sit on the boat than it is if you leave the seat in the middle and sit out a bit.

The big issue with the seat is definitely fore and aft trim. The setup on an IC where there's a fore and aft track works, but is clumsy and you can't operate it when you're on the seat.

I'm mulling over a twist grip T foil rudder for the proposed skinny ICs, with the idea of having the seat in the aft position all the time, with the T foil neutral downhill and winding on lift upwind to get the trim right. A partially foil supported IC upwind might not be very slow... Still need to be able to run the seat foprward for light stuff I fear though: shame, I'd love to lose the adjustment completely.
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Isis View Drop Down
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Posts: 2753 		Post Options Post Options   Quote Isis Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 06 at 10:23am
A skinny lightweight IC sat on a T upwind? have you no mercy?
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jeffers View Drop Down
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Posts: 3048 		Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 06 at 11:03am
Originally posted by Pierre

And here is the new Mk4 Osprey in front of a Javelin and Fireball.  Marvellous



Pierre....

The Osprey and the Jav should be much further in front of the 'ball than that......
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Pierre View Drop Down
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Posts: 1532 		Post Options Post Options   Quote Pierre Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 06 at 11:04am
Originally posted by turnturtle

Pierre, if I described that a solid, wholesome looking vessel I hope you don't take offence.  It looks like a really good example of how heritage classes can still cut the mustard.


No offence taken old chap.  Solid is certainly valid .  Just a great fast boat that suits me just fine. 

When the helm and crew weigh a combined 29 to 30 stone I don't know of anywhere I'd rather be.  They look good as well, and always draw admiring comments. 

Had a lot of interest from people getting back into sailing for whom the likes of an RS500 Laser VAGO etc etc etc just dont do it for them because of size and speed.  The Osprey is great for big people and little people and goes quick.

Here endeth the lesson.

Next week, how much beer can yuo fit in an Osprey and still win


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