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Old 19th April 2008, 03:25 PM   #1
Join Date: Jan 2008
Location: Croatia
Posts: 52
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Default Futura 133 + 9,0m2 sail = Which FIN?

I will get my new Futura 133 next week and I have 2 sails 7.5 & 9.0m2.
Originaly I will get FIN 48 which will be good for the 7.5 sail, but I expect
that for the 9.0 sail it will be better to have 54cm fin.

For example I check this with Sail Calculator software what will be ideal
FIN according to my sail 9.0 and my weight 95 kg (without wetsuit,...)

So I saw in the board description that it accepts fins up to 50cm! If I put
fin fin 54cm will this be OK?
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Old 22nd April 2008, 09:34 AM   #2
Dream Team - School Guru
Join Date: Aug 2006
Posts: 2,177

Hi prpa,
The website board specifications suggest that the Futura 133 comes with a std. Tuttle
fin box, as does the larger Futura 144.
There is normally no problem with putting a std. Tuttle fin up to about 58 cm in a board with a std. Tuttle fin box. At about 60 cm and larger you could run into a problem with the shallower std. Tuttle. That's why fins longer than 58 cm usually come only with Deep Tuttle fin roots.
You may find that the stock R13 Race SL 480 works pretty well when you are powered up, even on your 9.0 m2 rig. When underpowered, a 6 cm larger fin may get you plaing a bit earlier, and may help you stay upwind, due to the longer span and more surface area in the foil.
If you are not planing, the larger fin really won't help you to stay upwind.
When "slogging" you will need to use the shape in the bottom of the board and the upwind rail to sail upwind.
You may find that aftermarket 54 cm fins are a little too large/powerful and may slow you down slightly on the top end.
So, there will be no problem with using the 54 cm aftermarket fin, but finding one that's really "matched" with the Futura 133 may take more than one try.
Hope this helps,
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