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NickM View Drop Down
Far too distracted from work
Far too distracted from work


Joined: 27 May 09
Location: United Kingdom
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Posts: 328 		Post Options Post Options   Quote NickM Quote  Post ReplyReply Direct Link To This Post Topic: In every dream home..
    Posted: 05 Mar 17 at 11:34pm
If you saw the Mike Lennon talk at the show he explained with various diagrams how the upswept wing increased the righting moment. The distance between the edge of the wing and the tip of the foil is greater the more upswept it is, and of course you are sailing the Moth canted over to windward so the helm's weight is effectively further away from the tip of the foil. But he also said that if the wings are too upswept they become a problem for the crew when moving from side to side, so there is a trade-off at some point.

Edited by NickM - 05 Mar 17 at 11:35pm
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Sam.Spoons View Drop Down
Really should get out more
Really should get out more


Joined: 07 Mar 12
Location: Manchester UK
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Posts: 3401 		Post Options Post Options   Quote Sam.Spoons Quote  Post ReplyReply Direct Link To This Post Posted: 05 Mar 17 at 11:43pm
Wot I said  Wink

Edited by Sam.Spoons - 05 Mar 17 at 11:44pm
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getafix View Drop Down
Really should get out more
Really should get out more
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Joined: 28 Mar 06
Location: United Kingdom
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Posts: 2143 		Post Options Post Options   Quote getafix Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 17 at 6:23am
i'm wondering if when sailing the toe straps are held up a bit further at one end, they look like you'd need to find a spare hand to get your feet in them now and that, in my low-riding Moth experience might be the second or two which makes the difference between swimming and sailing
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iGRF View Drop Down
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Really should get out more
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Joined: 07 Mar 11
Location: Hythe
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Posts: 6499 		Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 17 at 9:41am
Originally posted by NickM

of course you are sailing the Moth canted over to windward so the helm's weight is effectively further away from the tip of the foil. But he also said that if the wings are too upswept they become a problem for the crew when moving from side to side, so there is a trade-off at some point.


Of course.. it's the distance from the foil that increases, not the centreline of the boat, so it's win win.
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Sam.Spoons View Drop Down
Really should get out more
Really should get out more


Joined: 07 Mar 12
Location: Manchester UK
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Posts: 3401 		Post Options Post Options   Quote Sam.Spoons Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 17 at 9:45am
And they can be longer but still measure, I make that win win win :)
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