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juan1 11th October 2012 03:08 PM

isonic 137 fin
what size fin would you recomend for this board whith a 8,4 sail?
and can i use my actual 57 cm select s11 on the 137?
regards fish

mark h 11th October 2012 08:09 PM

Hi Juan, not the team here, but pretty easy question to answer:)

In short, no. Your S11 57cm is way to big. If you want to stick with Select try the following combo's:

One fin only: S12 or V-Max 49 for 90kg+ rider
S12 or V-Max 47cm for under 90kg-.rider

Two fins: V-Max 47cm and S12 51cm for 90kg+ rider
V-Max 47cm and 51cm for under 90kg- rider.

The S12 is more powerfull than last years S10, but not as powerfull as the S11. The V-max is not as powerfull as the S12, but potentially faster shape.

Or try F-Hot fins. I am 100kg and using 52cm and 48cm on my iS137. I am about to order a 45cm as well for maxed -out days. These fins are the new trend shape like IFJU, Carpenter and Z Fins but cost much less (similar money to select fins). They also give very similar performance and I think you will see these fins alot more next year.

A few weeks ago, a UK PWA racer (no names, but he finished top 10 overall. Big clue) tested the F-Hot back to back with Z-Fins at Weymouth and concluded that the performed the same.

Just my 2 cents worth:)

juan1 12th October 2012 03:40 AM

Thanks mark
I sis not mention inhave a aelect s12 45 thinking it was too small but reading you post this will be my small fin plus a new 50 cm still to buy?? Im 86 kgs
Saludos juan

juan1 12th October 2012 07:51 AM

Thanks mark
Do you think i can cut my 57 to 50 cm?
Saludos juan

mark h 12th October 2012 04:09 PM

I think that will be to much to cut off, twist and flex will not work the same. Best sell it and buy a S12 49cm:)

juan1 13th October 2012 05:43 AM

Sounds right
Thanks , im doing so

Remi 15th October 2012 03:07 AM

Hi Juan,

Actually in PWA Slalom we use between 46 & 48 with 9.6 but with really high performances fins and skill but in your case for 8.6, I will not go over 48.

All the best

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