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Old 29th May 2010, 04:33 AM   #1
Nick F
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Join Date: Feb 2009
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Default Isonic 133 what fin size for sail size.

Hi, Could anyone please tell me what size of fin I should use for my isonic 133 when using my Tushingham lightning 9.4 and TBird 8m sails.
I am 95kg and power off the fin a lot.
When using the 9.4 sail I used a 48cm fin and found it would not give me much grip, if thats the word I am looking for, but changed it for a 52cm and was better, I don't know if this is due to putting to much pressure on the fin.

Also what size would you recommend for a 6.5 sail ?

Sorry, you have probably heard this question a thousand times before, but would be very grateful for some help and advise.

One more thing, when I bought the board it is for deep tuttle fins, why do you get tuttle fins with it and not deep tuttle.

Thanks

Nick

Last edited by Nick F; 29th May 2010 at 05:03 AM.
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Old 29th May 2010, 08:22 AM   #2
nonopr
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First;
you need a 50cm fin with your 9.4 for downwind racing. For match up racing with your friends you can go with 52cm.
I recommend this two brands www.vectorfins.com and go with the canefire in carbon molded.
I also recommend www.f4fins.com and there you go with the D2 in carbon XS.
Second:
I will never use that board with a 6.5m sail. Will only use it with 8.m sails and bigger all the way to 9.8m.
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Old 30th May 2010, 12:59 AM   #3
Nick F
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Many thanks for the info. I use the fin off my futura 144 which is 52cm drake, I don't know if I would notice the difference in fin manufacture, due to me not being a pro, and would cost a lot more money for these fins ?

Thanks
Nick
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Old 31st May 2010, 05:58 AM   #4
nonopr
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The fin for the futura is another type of fin not design for the iSonic. It would work but it wont make you board release as it would with a good slalom fin.
I will never use a Drake as they are crap production fins.
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