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  Topic: Wing efficiency compared to sail
ittiandro

Replies: 12
Views: 14932

PostForum: Windsurfing Discussion   Posted: Sat Mar 18, 2023 10:29 pm   Subject: Wing efficiency compared to sail
With your board, a 5.5 wing is LESS POWERFUL than a 5.5 sail.
With a 10 lbs 24" wide board and 1350 foil, you will foil in around 13 mph if you applied expert skill level.

Which means that ...
  Topic: Wing efficiency compared to sail
ittiandro

Replies: 12
Views: 14932

PostForum: Windsurfing Discussion   Posted: Sat Mar 18, 2023 5:46 pm   Subject: Wing efficiency compared to sail
I am planning to try winGsurfing from windsurfing next summer,
I weigh 90 kg and I will use a 5.4 m Slingwing V2 on a 220 l, 85cm wide Tahe board, with no foil,, just a retractable central fin an ...
  Topic: Wind weapon Tom Magruder
ittiandro

Replies: 4
Views: 20736

PostForum: Windsurfing Discussion   Posted: Thu Dec 15, 2022 1:11 pm   Subject: Wind weapon Tom Magruder
I've just seen the videos of the Wind Weapon of Tom Magruder. This wing pivoting on the mast looks interesting. Is it commercially available? I checked the www,thirdcoastkites.com. site, but I cann ...
  Topic: Wind weapon Tom Magruder
ittiandro

Replies: 0
Views: 13029

PostForum: Windsurfing Discussion   Posted: Thu Dec 15, 2022 1:10 pm   Subject: Wind weapon Tom Magruder
I've just seen the videos. This contraption looks interesting. Is it commercially available? I checked the www,thirdcoastkites.com. site, but I cannot access it.

Anything similar on the market? Has ...
  Topic: Lift in windsurfing fins
ittiandro

Replies: 13
Views: 13433

PostForum: Windsurfing Discussion   Posted: Fri Apr 01, 2022 12:34 am   Subject: Lift in windsurfing fins
Thanks
Well formulated explanation, Mac.

As I understand, then , that the lateral “lift “ of the fin is nothing but the lateral resistance that the fin provides against the force of the wind ...
  Topic: Lift in windsurfing fins
ittiandro

Replies: 13
Views: 13433

PostForum: Windsurfing Discussion   Posted: Thu Mar 31, 2022 7:52 pm   Subject: Lift in windsurfing fins
Should we factor in the speed of the moving board?


In fact, this is exactly my question i
In other words, does speed provide lift to the board or does the fin itself provide this lift once th ...
  Topic: Lift in windsurfing fins
ittiandro

Replies: 13
Views: 13433

PostForum: Windsurfing Discussion   Posted: Thu Mar 31, 2022 4:55 pm   Subject: Lift in windsurfing fins
I am resurrecting an older thread on this topic.

I always thought that for the board to overcome the water resistance and the weight of the rig (and the sailor), there has to be a vertical upward ...
  Topic: setting minimum or no mastfoot extension
ittiandro

Replies: 16
Views: 15250

PostForum: Windsurfing Discussion   Posted: Thu Mar 24, 2022 11:16 am   Subject: setting minimum or no mastfoot extension
Usually I rig my sails on a 45 cm long MF extension, which has a collar allowing variable extensions depending on the sail and the downhaul I want to give.
I also have, however, a much shorter NP M ...
  Topic: setting minimum or no mastfoot extension
ittiandro

Replies: 16
Views: 15250

PostForum: Windsurfing Discussion   Posted: Tue Mar 22, 2022 1:45 pm   Subject: setting minimum or no mastfoot extension
Thanks for your replies.
This question never occurred to me before because I usually do give an extension depending on how much downhaul I want to give.
This time , with the luff of the same lengt ...
  Topic: setting minimum or no mastfoot extension
ittiandro

Replies: 16
Views: 15250

PostForum: Windsurfing Discussion   Posted: Mon Mar 21, 2022 7:33 pm   Subject: setting minimum or no mastfoot extension
Do I need to extend the mastfoot extension if I rig a 458 cm luff sail on a 460 cm mast or can I set it with no extension ?

Thanks
Ittiandro
 
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