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Naish Thrust Foil - Rear Stabiliser Settings

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Created by jamesf 4 months ago, 28 Apr 2018
jamesf
NSW, 855 posts
28 Apr 2018 8:40PM
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Hey everyone, for those who have the Naish Thrust wind foil, what setting do you use for the rear stabiliser angle? Do you adjust it up and down depending on the wind strength?

I have mine about 1mm above the "mark" and works well, but just wondering whether its worth tinkering with.

Cheers

LeeD
275 posts
29 Apr 2018 1:49AM
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I like it to drive the main foil slightly down, so it lifts more slowly and sets back down with less effort. Flying up to quickly is my problem, in the gusty light winds we get.

LeeD
275 posts
29 Apr 2018 1:50AM
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I like it to drive the main foil slightly down, so it lifts more slowly and sets back down with less effort. Flying up to quickly is my problem, in the gusty light winds we get.

jamesf
NSW, 855 posts
1 Jun 2018 12:53PM
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* bump * now that we have our own forum. Should I fiddle with the angle or just leave it in the same place all the time?

gavnwend
NSW, 959 posts
1 Jun 2018 1:39PM
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It's amazing what 2 to 3 mm from neutral setting up or down does for the tuning of the Naish foil . the screw also can slip a bit.make sure it is done up tight.

azymuth
WA, 444 posts
1 Jun 2018 1:42PM
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Select to expand quote
jamesf said..
* bump * now that we have our own forum. Should I fiddle with the angle or just leave it in the same place all the time?


I think it depends on the board you're using with the Naish WS1.

With my Isonic 121 - I was adjusting the rear wing for max lift but since I moved the Tuttle box forward 12cms I'm back to the neutral setting.
I now need less back foot pressure to maintain foil height and my body position feels a lot more relaxed cranking upwind.





jamesf
NSW, 855 posts
1 Jun 2018 6:00PM
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Cheers guys. I'm using it with Exocet RF91 foil board.

Do other naish users adjust the angle based on wind strength or is it better to leave it once you find a sweet spot.

LeeD
275 posts
2 Jun 2018 1:48AM
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Once you find the sweetspot, leave the setup alone and compensate with you innate physical and mental abilities.

h20
VIC, 406 posts
3 Jun 2018 10:04PM
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I have mine about 2mm up. Find that perfect for me. I also have my mast about 1.5cm forward of centre. I spent a day doing micro adjustments and that seemed to be best for me. When I've changed it down for higher winds I just don't have the control.

I think it has a lot to do with your natural stance. Done sailors will be more front or rear foot.

also depends a lot on your sail and the lift being generated.

martyj4
167 posts
12 Jun 2018 11:18AM
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I generally have the rear wing trimmed flat or slightly down (-ve lift). As LeeD suggests, getting the thing flying is not the problem - controlling it is. Have also found the mast base setting makes a big difference to how you can pump the board onto the foil. Keeping it back seems to make it a lot easier. Have sailed the Naish and the Slingshot. Naish definitely easier and more controllable. Slingshot has slightly more performance.

martyj4
167 posts
12 Jun 2018 11:23AM
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And I'll add in higher winds (over 15 knots) I would go even more negative with the rear wing setting. But in most cases, I don't bother to foil in 15+ knots. I'll get out the conventional gear. 15+ I find the foil starts becoming a real handful and I'm down to a 4.2 to keep it under control.
And yeah gavnwend, I have had the screw adjustment for the back wing slip too.

azymuth
WA, 444 posts
12 Jun 2018 11:51AM
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Select to expand quote
martyj4 said..
And I'll add in higher winds (over 15 knots) I would go even more negative with the rear wing setting. But in most cases, I don't bother to foil in 15+ knots. I'll get out the conventional gear. 15+ I find the foil starts becoming a real handful and I'm down to a 4.2 to keep it under control.
And yeah gavnwend, I have had the screw adjustment for the back wing slip too.




Interesting re. the negative setting, what board are you using?

I've found it quite fun in 20 to 25 knots - as a means of gliding over the chop and getting upwind easily to explore.
Pretty stable and relaxing cruising with a 5m wavesail, just occasionally having to spill wind in the gusts.

martyj4
167 posts
13 Jun 2018 6:10AM
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Hey Azymuth. I'm using the Naish board (Hover 122) which came with the foil. It's interesting with wind strengths and how different sailors cope. I'd be down to a 3.7m in 25 knots.

WhiteofHeart
13 posts
14 Jun 2018 5:33AM
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It's a technique thing.. I can indeed fly with 3.6 in 25 knots, but did 8.6 on the big board today in gusts 25. Just point higher upwind, deeper downwind, possibly take your backfoot out of the strap across the wind and make sure your harnesslines are set correctly (huge difference) as for stab settings, never touched it, moved my footstraps instead.



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"Naish Thrust Foil - Rear Stabiliser Settings" started by jamesf