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isobars
Joined: 12 Dec 1999 Posts: 20935
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Posted: Wed Jun 27, 2018 4:03 pm Post subject: |
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Two fairly good sailors debated the fin size issue in WSMag decades ago. One preferred the smallest fin that doesn't spin out too much, the other preferred the biggest fin that doesn't hamper maneuverability.
The former was named Angulo, the latter Naish.
99% of this sport is about personal preferences, not rules. |
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joethewindsufa
Joined: 10 Oct 2010 Posts: 1190 Location: Montréal
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Posted: Wed Jun 27, 2018 6:32 pm Post subject: |
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hey iso
"rules are meant to be broken and guidelines are meant to be followed"
in order to plane with a 240 liter 91 cm wide board am sure you have some guidelines ?? |
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isobars
Joined: 12 Dec 1999 Posts: 20935
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Posted: Wed Jun 27, 2018 8:36 pm Post subject: |
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Not a clue, beyond "add a bigger sail and fin until you either plane or admit that today wasn't the day". |
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westender
Joined: 02 Aug 2007 Posts: 1288 Location: Portland / Gorge
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Posted: Wed Jun 27, 2018 11:58 pm Post subject: |
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That seems odd?
rtz wrote: | I can run any fin on any sail and really can't quantify a difference. Never had the board spin out or go faster or plane easier.
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isobars
Joined: 12 Dec 1999 Posts: 20935
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Posted: Thu Jun 28, 2018 4:48 am Post subject: |
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Even long before I could jibe, changing fins -- even just brands of the same general size and shape -- often made a clearly perceptible difference when pressing their performance envelope. "Quantify"? No. "Perceptible"? Absolutely, in many cases.
Just for example, for decades magazine performance reviews often commented about a particular wave board's limited pointing ability. Well, of COURSE; most of them came with tiny little fins and got used with tiny little sails. Power the dang things up and bolt on some traction, and the performance -- including ripping upwind and blasting downwind -- comes alive even without ideal wave conditions. Skill matters, but the right accessories can really speed up the progress towards those skills. |
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joethewindsufa
Joined: 10 Oct 2010 Posts: 1190 Location: Montréal
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Posted: Thu Jun 28, 2018 5:40 am Post subject: |
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here is a lightweight on a Viper 85 and a large Ezzy Lion 9.5
planing away in light winds ...
https://www.youtube.com/watch?v=YfUqjB6xR0A
sounds like bigger sails and fins are the answer ...
now that is for light wind, but with 180 pounds and a 7.5 sail, I would hope one could plane in 15 knots using that 48 cm fin
i am a big, overweight, lazy windsurfer lacking technique
yet can plane on a 92 cm wide board with a 10 meter sail and 66 cm fin in about 12 knots
if i can do it, anyone can do it ...
https://www.youtube.com/watch?v=OrQ9ZnsapuM |
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