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1st November 2006 01:39 AM
Matt123
RE: Formula Sail Sizes?

Sounds good. I'm 110kg so the stiffre mast might be fine. What's the luff length and boom length of your 8.5? The gaastra site won't work for me at the moment (bloody work firewall).
31st October 2006 02:12 PM
Hugh Jarmes
RE: Formula Sail Sizes?

I have an 8.5 Neutron which i rig on either a cut down 520 32 or a 490 29 depending upon the windstrength. The stiffer mast gives me a tighter leech in relatively lighter winds. The Neutron seems to cope well with either. I guess a 9 would be OK on a 520 so long as it is not too stiff.
31st October 2006 06:16 AM
Matt123
RE: Formula Sail Sizes?

I tried one of these neutrons

Mast Imcs Luff Boom Base Batten Head Cams
9.0 - Gaastra 100 : 490 29 518 250 28 9 fixed 5

The only problem is that I do not want to carry a third mast, do you think it will rig ok on a 520?
31st October 2006 04:17 AM
Hugh Jarmes
RE: Formula Sail Sizes?

Hi Matt, I've gone for NP RS5s. But I am also a fan of Neutrons.
31st October 2006 03:34 AM
Matt123
RE: Formula Sail Sizes?

Hi Hugh,

Which 3 models of sail are you going for. Especially the 9.8 and 9.0 as I'm thinking about some second hand gaastras for my f161
31st October 2006 03:21 AM
Hugh Jarmes
RE: Formula Sail Sizes?

Thanks again guys for all the advice. I've also taken the advice 9off forum) of a very successfull windsurfer - perhaps you've heard of him - Keith Atkinson. I followed Keith's advice and have gone for the 11.6, 9.8 and 9.0. His reasoning went like this:

the reasons being that the sail (12.5) is heavier, and harder to get onto the plane generally. if you pump well then a smaller sail will pop on the plane quicker. however if your lazy, which i'm sure your not given your athletic background, then a big sail will pull you onto the plane, albeit slower.

the other reason for not going 12.5 is that in the UK the air is denser and therefore has more power in a place like Silvaplana, for example. which is why i said if your doing any international racing like in a place like Silvaplana then you may need a 12.5m. however i, and many other sailors only use 10.7, even in Silvaplana. bigger sails maintain speed better when the wind is really marginal. i opt for the smaller sail i can get away with because its lighter, planes earlier with my pumping, however i struggle in margina; conditions in the open sea when abroad, but not in the UK.

personally i would go for 11.6 as your biggest, then you can either go for 10.7 as a changedown and then down to a 9.8.... or if a 9.8 is too big as your smallest, then go for the 11.6 - 9.8, then 9.0. the reson i say this combination over 11.6 - 10.7 - 9.0 is because the 10.7 is too close to the 11.6 in power, but the 9.8 is a significant enough decrease in size, but maintaines serious power to justify jumping onto it. but my opinion is, it's too powerful for the smallest. the 9.0 is so sweet!!"

Its hard to argue with that!
31st October 2006 03:15 AM
Hugh Jarmes
RE: Formula Sail Sizes?

Yann, The WB12.3 was great in a light breeze - so long as it was constant -but it did not respond well to gusts and was not very tuneable. I really liked the Nitro 4 12m. it was light, responsive and far easier to tune. it respnded well to downhaul on the beach and outhaul out on the water. The Nitro planed earlier but felt a little soft which seemed to sap its top end. The WB was more rigid and locked in and seemed to have a better top end. I am a recent convert to the wide luff tube of the NP RSs. I have to admit that they are very powerful - the 11.6 easily providing more grunt than the Nitro 12. However, when i change down its to a Neutron which can be set very flat indeed but retains it's profile well around the boom. With regard to wind range - that depends on your size/weight/fitness/strength. I am quite big and find that i can stay with larger sails for longer. In my opinion (and I'm no expert) if you want good windrange, go for the nitro over the WB. hope this helps.
30th October 2006 05:59 PM
Yann
RE: Formula Sail Sizes?

Hi Hugh,
As you said :
>> I have gone from WB12.3m to Gaastra Nitro 4 12m and now to a NP RS5 11.6
Could you tell me how behave these sails, compared to each other, especially concerning WB12.3 and Nitro4 12.0, since I'm about to buy one of them :
What about the low end use (power, planning) ?
What about the windrange ?
In a few words, what of them would you advice to buy among WB and Nitro4 ?
Thanks.
Yann.
26th October 2006 03:42 PM
Remi
RE: Formula Sail Sizes?

Hi Hugh,

I do not tnink that 12,5 will help you, the extra weight of the sail will kill the board. And you really to be in absolute perfect physical condition to use this kind of sails.
To increase your performaces in light winds beter to have a very good fin. The Deboichet R 19 soft -- rake + 8cm is a real machine for your 11.6.
All the best
25th October 2006 02:31 AM
GeorgeUSA39
RE: Formula Sail Sizes?

get the 12.5
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