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Question of the Day?
5512 Posts · 78 Followers · 385 Photos · 13819 Likes
Began 3 years ago by
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Latest Post 1 day ago by
Lieutenant CommanderNew question in 3 hours, 17 minutes
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In the context of advanced sail aerodynamics on modern racing yachts, which of the following best describes the primary aerodynamic function of a 'jib lead' adjustment when optimising the performance of a high-aspect ratio jib in variable wind conditions?
A. It alters the angle of the forestay to increase the projected area of the jib.
B. It rotates the mast to change the angle of attack of the jib relative to the wind.
C. It controls the fore-and-aft position of the jib sheet lead, thereby adjusting the twist and camber of the jib to optimise airflow and drive.
D. It raises or lowers the jib halyard to change the luff tension and prevent luffing.
Select your answer above. Good luck!
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📝 Question of the Day?
33 Views
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Nearly went for the longest answer as it seemed to easy and thought thete was a catch
Philuk👍
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📝 Question of the Day?
41 Views · 2 Likes
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Hi all i am getting dizzy not scored this high for a long time probally going to fall again 😎
Philuk👍
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SimpleSailor
SouthportPat
Commodore📝 Question of the Day?
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Online: Today!
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I'm not a huge expert on sailboats, especially multi mast ships.
However A, C, & D were obviously wrong.
Got it right by process of elimination!
Dave B
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Steves-s
SimpleSailor
So far my collection resembles "The Island of Misfit Toys". I've picked up several boats that are old builds and have been neglected. I'm giving them the TLC they need, hoping to bring them back to their former glory. Once I get enough practice/ experience I intend to take on a full build.
📝 Question of the Day?
43 Views · 1 Like
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Back on sails again where's the model boat questions?🤔
Philuk👍
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Steves-s
Fleet Admiral📝 Question of the Day?
45 Views · 3 Likes
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That was a close thing I was almost at 100% by tomorrow!
Roy
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Steves-s
BOATSHED
Bryan-the-pirate
📝 Question of the Day?
46 Views · 2 Likes
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I knew the anchors in B C and D so guessed A 🤔
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Steves-s
AlessandroSPQR
Midshipman📝 Question of the Day?
45 Views · 2 Likes
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That was a hard one, had to look up the types of anchor first
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Steves-s
SimpleSailor
Shiver my Timbers and Splice the mainbrace
📝 Question of the Day?
46 Views · 1 Like
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Pat! I seem to remember you were complaining about the 100% scores and now you are at 97%!!!!!!🤔🤔🤔🤔
Roy
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Steves-s
📝 Question of the Day?
46 Views
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Seems a lot of the old timers are no longer bothering to answer - I wonder if this is because of the repeat questions or are people just getting fed up with the QoD ?
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Rear Admiral📝 Question of the Day?
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Ah, th'old "bulbous bow" ploy....
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Steves-s
AlessandroSPQR
If it don't fit, use a hammer to make it fit....
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