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Weed fins

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Created by Mistral Nick > 9 months ago, 20 Jan 2013
Mistral Nick
QLD, 370 posts
20 Jan 2013 8:58AM
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I have just purchased a 33cm Makani weed fin for use with my 110l x65 Naish Grand Prix.
My question is do you have to change the way you sail? I feel that the fin is always on the verge of letting go. It seems ok down wind but as soon as I attempt to drive upwind it feels unstable and loose, almost as bad as carrying that pesky shoe string weed.

hardie
WA, 4129 posts
20 Jan 2013 7:48AM
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Mistral Nick said...

I have just purchased a 33cm Makani weed fin for use with my 110l x65 Naish Grand Prix.
My question is do you have to change the way you sail? I feel that the fin is always on the verge of letting go. It seems ok down wind but as soon as I attempt to drive upwind it feels unstable and loose, almost as bad as carrying that pesky shoe string weed.




Move your mast track back a bit, and dont be heavy back footed trying to sail back up wind.

eckas
NSW, 323 posts
20 Jan 2013 5:16PM
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I've just started running a Makani 38cm weedy with a Fanatic Falcon 104l and reckon it's brilliant. Mainly run it with a 7.5 or 6.6 sail. It points like an upright fin, hangs on well and is easily recoverable from a spinout.

Previous setup was a select XXL on a Hypersonic and found this to be a horrible set up - the board would sail permanently skewed. Now admittedly, I changed both the board and the fin and I should really put the Makani fin on the hypersonic, and the select XXL fin on the falcon to get a true opinion of whether the Makani is soooo much better than the select

However, based on similar setups, I'd reckon you should be able to get a much better outcome that what you're currently describing.

AJEaster
NSW, 697 posts
20 Jan 2013 6:06PM
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Pretty much what Hardie said. Mast track back about 3cm from where you place it when sailing a pointer. Even up the foot pressure between front and back foot when heading upwind. Found that corrected my issues when I first started to use weedies.

echunda
VIC, 764 posts
20 Jan 2013 10:42PM
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33cm is pretty small for a 110.

What sail size are you using for that fin?


As an example, i use a 6.6 koncept with a 34cm flying objects in a futura 101 and it's solid as a rock in all conditions.

AJEaster
NSW, 697 posts
20 Jan 2013 10:53PM
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echunda said...
33cm is pretty small for a 110.

What sail size are you using for that fin?


As an example, i use a 6.6 koncept with a 34cm flying objects in a futura 101 and it's solid as a rock in all conditions.


Good point, I overlooked the size when i posted. On my 113 Falcon I use a FO 38cm weedy with a 7.3m and 8m, and in my 99 Falcon I use a 34cm FO weedy with a 7.3 and 6.6m. I am 92kg too though.

In addition to my other comment above, you could also be under finned which would def create an issue going up wind (on the verge of spinning out). Simple test, if the windward rail is dipping (i.e.: board not trimming flat easily) when you are powered up and planning going across the wind you are under finned.

GazMan
WA, 847 posts
20 Jan 2013 10:20PM
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echunda said...
33cm is pretty small for a 110.

What sail size are you using for that fin?


As an example, i use a 6.6 koncept with a 34cm flying objects in a futura 101 and it's solid as a rock in all conditions.


+1

33cm weedie likely too small particularly if you're using a sail bigger than 6.5.

I use a 32cm weed fin (Choco weed freerace) in a 95L freeride and this combo works well with a 5.9, drives upwind nicely and doesn't let go when I push hard.

Quick look at the specs for your Grand Prix says 38cm slalom fin as std quip with sail range around 5.8-7.6, so you would probably need at least a 38-40cm weed fin to make it work.

sboardcrazy
NSW, 8224 posts
21 Jan 2013 8:41AM
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sboardcrazy said...
I've got 5 Makani weedies ranging from 18cm - 38cms and have found them great in boards ranging from 78 - 95 - 125 litres.
I like them so much that this season I haven't even bothered to use my freerides ( There is also some floating weed in the lake).Getting upwind is very important to me and thats why I chose them as the forums rated them great for upwind.
I'm only a lightweight 64kgs and I like the way the boards settle more although having said that the 38cms had it trying to rail when I was overpowered last sail!
The smaller fins are freemove - very triangular shape - I think kiters can use them. I have had a bit of trouble with the 18cm spinning out a little but that's on my 78ltre waveboard. I'm not really that used to that board and I have to make sure to sail it with hardly any rear foot pressure even with freeride fins.
The makania are much chunkier than select fins.The big ones look like weapons!



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"Weed fins" started by Mistral Nick