Forums > Wing Foiling General

Afs Silk

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Created by Sonsaleta > 9 months ago, 29 Dec 2023
foilthegreats
761 posts
5 Jul 2025 8:57PM
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Check out the UGLIDE 41 it's crazy skinny cord and super stiff:




hilly
WA, 7854 posts
5 Jul 2025 9:27PM
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foilthegreats said..
Check out the UGLIDE 41 it's crazy skinny cord and super stiff:





Looks great but $500 au for a stab

BWalnut
984 posts
5 Jul 2025 10:08PM
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Worth it though. Phenomenal upgrade for the silk 1050 and ultra 750.

real1
13 posts
7 Jul 2025 12:27AM
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Loss in performance compared to monoblock?

BWalnut
984 posts
7 Jul 2025 12:57AM
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real1 said..
Loss in performance compared to monoblock?


Gotta expect a little loss in certain situations. The breakdown ability doesn't intrigue me but having the option of doing the short or long fuse on the skinny or standard mast as well as the two tail positions will open up some options for customizing the Silk ride experience.

Mikedubs
289 posts
7 Jul 2025 1:45AM
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What's the hole spacing? Wondering if I can make it fit my code fuse.

BWalnut
984 posts
7 Jul 2025 2:19AM
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Mikedubs said..
What's the hole spacing? Wondering if I can make it fit my code fuse.


Hole spacing on? Not sure what you're trying to connect here haha.

real1
13 posts
7 Jul 2025 4:18AM
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Would you chop ha 38 and how much? For pairing with silk 850

real1
13 posts
7 Jul 2025 4:33AM
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Also how to best tune Silk 850 for best performance? My board has I think about 1 degree tail rocker. I've read somewhere Silk is made for 0 degrees bottom of the board. Does it need any mast shimming? Stab shimming?

BWalnut
984 posts
7 Jul 2025 7:17AM
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I didn't care for the ha tails on the silks. I'd go 132 or ultra glide 41 tail depending on your goals. Not sure about shims.

hilly
WA, 7854 posts
7 Jul 2025 7:35AM
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real1 said..
Also how to best tune Silk 850 for best performance? My board has I think about 1 degree tail rocker. I've read somewhere Silk is made for 0 degrees bottom of the board. Does it need any mast shimming? Stab shimming?


Tuning is a very personal thing so don't think what works for me will work for you. Only talking the original Silk have not used the new one. Because I was swapping back and forth with Enduros I wanted a similar feeling.
Guy Bridge used a mast shim and a tail shim with the HA38 tail. I went very similar and have now chopped my tail to use with Enduro 700. Would have been good with the Silk 650 I had.
Mast shim smooths out the takeoff and levels the board in flight. If I just rode Silks maybe not necessary. Tail shim speeds it up and gives a nicer flow through turns. Not sure with pumping as I am very average at pumping.

real1
13 posts
7 Jul 2025 1:31PM
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Mast shim to bring the nose down? Tail shim for less angle of attack?

pacoz
86 posts
7 Jul 2025 2:12PM
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I use the ha40 stab with enduro 900 and 1100. What do you guys think would be the difference/advantage of this new stab?

hilly
WA, 7854 posts
7 Jul 2025 3:04PM
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real1 said..
Mast shim to bring the nose down? Tail shim for less angle of attack?


Yes and yes


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pacoz said..
I use the ha40 stab with enduro 900 and 1100. What do you guys think would be the difference/advantage of this new stab?


I assume you mean ultra glide, smaller area less drag so faster more efficient.

Mikedubs
289 posts
7 Jul 2025 6:06PM
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BWalnut said..

Mikedubs said..
What's the hole spacing? Wondering if I can make it fit my code fuse.



Hole spacing on? Not sure what you're trying to connect here haha.


Sorry, hole spacing on the stab. Wondering if it's 30mm? And can be made to fit code fuse

foilthegreats
761 posts
7 Jul 2025 8:12PM
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The Silks are designed to work out of the box perfectly with the UHM 80cm and their corresponding stabilizer. 650/132 850/142 1050/152

I've tried a bunch of different configuration and still find this to be the best setup. This will be perfectly balanced when driving hard through a turn. Super even foot pressure. I would start there and than tune for your preference. My KT Darognfly 7' 19" 100 I use a 1 degree nose up mast shim.

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BWalnut
984 posts
7 Jul 2025 9:54PM
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Mikedubs said..



BWalnut said..




Mikedubs said..
What's the hole spacing? Wondering if I can make it fit my code fuse.






Hole spacing on? Not sure what you're trying to connect here haha.





Sorry, hole spacing on the stab. Wondering if it's 30mm? And can be made to fit code fuse




Yes, hole spacing on their stabs is 30mm and I believe Code shares the 3d printing files to make their fuse flat so other stabs can be used. codefoils.com/product/ar-series-tail-wings/




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pacoz said..
I use the ha40 stab with enduro 900 and 1100. What do you guys think would be the difference/advantage of this new stab?




The new UG41 stab is forward swept, so it feels like a shorter fuse by a bit and is way more playful than the ha38. Better glide and pump too. I think it's a must have for the Silk 1050 and Ultra 750. It feels like it makes the Silk go from 8 to 9 aspect ratio and with the Ultra it makes it a lot more playful than the ha38 tail was.

Mikedubs
289 posts
7 Jul 2025 11:23PM
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Great, thanks. Yeah I have the shims and use other tails, good to know these are 30mm. Might get one.

Velocicraptor
813 posts
9 Jul 2025 12:41AM
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Anyone know the suggested fuse lengths for the modular 850 and 1050? What is the equivalent to the monobloc fuse? Not going to pick them up until my mono silks die but having packed my gear this morning - man would this come in handy!

Jeroensurf
1072 posts
10 Jul 2025 8:33PM
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Based on the length of my Enduro 900...short.

BWalnut
984 posts
11 Jul 2025 10:45PM
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From AFS:

Standard fuse, forward tail, to re-create the 850/1050 Monoblock feel.

real1
13 posts
6 Aug 2025 3:49AM
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So if mast shimming to bring the nose down would you also need to bring the mast position slightly forward?
First rides on the Silk 850 last few days wingfoil. I think my third eye is opening,??to what modern foils are capable of. Few strange feelings I never experienced before. I placed the mast where I thought it would be good position. Felt good maybe a touch too much front foot. Than moved it 1cm back, immediately terrible, felt so draggy and slow. Usually when I would do that on other foils i just felt weight shift to back foot.
For now my feeling on silk how I have it placed is, it feels quite front foot pressure when going straight in the turns that feeling disappears and sometimes I catch a rail in bottom turn and top turn not often but sometimes. Based on tuning Kane suggests I should move mast a hair forward and shimm the stab? Im just afraid of having to much fron foot pressure on the straights but wouldn't mind if it pushed a bit more in bottom turns. This feel could be because my board has about 1 degree on the tracks as other foils felt better with more board bottom angle. I remember reading somewhere Silk was meant for flat bottom 0 degree at the boxes.
As I gather from everything I've read about Silk supposedly it's the worst from all AFS performance foils in glide and pump and amazing in turning. If Silk is the worst than I cant imagine how glidey and how well Pure and Enduro must pump. For me Silk is already such an upgrade in that department so stoked on the change.
I have tried 3 tail 142,132 and h38 ha38 felt like turbo and so much more glide didn't sacrifice too much in turning for my feel but haven't ridden it that long yet. But in turbulent water feels just a touch more nervous. For now 132 is perfect blend of control speed and glide. 142 is not too bad just everything a bit tuned down. I guess would be good in prone.

Velocicraptor
813 posts
6 Aug 2025 4:01AM
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real1 said..
So if mast shimming to bring the nose down would you also need to bring the mast position slightly forward?
First rides on the Silk 850 last few days wingfoil. I think my third eye is opening,??to what modern foils are capable of. Few strange feelings I never experienced before. I placed the mast where I thought it would be good position. Felt good maybe a touch too much front foot. Than moved it 1cm back, immediately terrible, felt so draggy and slow. Usually when I would do that on other foils i just felt weight shift to back foot.
For now my feeling on silk how I have it placed is, it feels quite front foot pressure when going straight in the turns that feeling disappears and sometimes I catch a rail in bottom turn and top turn not often but sometimes. Based on tuning Kane suggests I should move mast a hair forward and shimm the stab? Im just afraid of having to much fron foot pressure on the straights but wouldn't mind if it pushed a bit more in bottom turns. This feel could be because my board has about 1 degree on the tracks as other foils felt better with more board bottom angle. I remember reading somewhere Silk was meant for flat bottom 0 degree at the boxes.
As I gather from everything I've read about Silk supposedly it's the worst from all AFS performance foils in glide and pump and amazing in turning. If Silk is the worst than I cant imagine how glidey and how well Pure and Enduro must pump. For me Silk is already such an upgrade in that department so stoked on the change.
I have tried 3 tail 142,132 and h38 ha38 felt like turbo and so much more glide didn't sacrifice too much in turning for my feel but haven't ridden it that long yet. But in turbulent water feels just a touch more nervous. For now 132 is perfect blend of control speed and glide. 142 is not too bad just everything a bit tuned down. I guess would be good in prone.





If I were you I'd start by trying a base plate shim to replicate 0 degrees in the box. I find the Silk rides pretty neutral (a little more front foot) with a 0 degree board, and I've heard others who have some issues riding it on boards with rake. Start there before shimming the tail. I used to shim tails on other setups and haven't had the need at all (haven't even experimented with it) on the Silks. I would think that if your board has rake in the boxes, you would want to move the mast a little back if you shim the rake out?

I haven't been remotely tempted by another foil system since I started riding the silks a year and a half ago. There may be some holes in the AFS lineup, but as far as a surfy foil goes - they nailed it. And yes - the 132 tail pairs perfectly with the 850 (and the 1050).

BWalnut
984 posts
6 Aug 2025 4:22AM
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real1 said..
As I gather from everything I've read about Silk supposedly it's the worst from all AFS performance foils in glide and pump and amazing in turning. If Silk is the worst than I cant imagine how glidey and how well Pure and Enduro must pump. For me Silk is already such an upgrade in that department so stoked on the change.
I have tried 3 tail 142,132 and h38 ha38 felt like turbo and so much more glide didn't sacrifice too much in turning for my feel but haven't ridden it that long yet. But in turbulent water feels just a touch more nervous. For now 132 is perfect blend of control speed and glide. 142 is not too bad just everything a bit tuned down. I guess would be good in prone.


The Silks are ridiculously capable with an AR of 8. Here in the Gorge the only other AFS foil I consider is the Enduro 700 but that's specifically for when we have high flow river scenarios.

Track down an Ultra Glide 41 if you can. Between that and the 132 tail I'm covered for almost every scenario I can encounter. UG41 tail with Silk 1050 made learning to parawing comically easy.

sunsetsailboards
519 posts
6 Aug 2025 2:15PM
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last two times out rode the Ultra Glide 41 with the Silk 850, and it is really nice. Really livens up the foil. Less front foot pressure, so bumped the mast forward, but the new stab really livened up my tacks. Been nice on windswell and ship wakes too. I like.

real1
13 posts
7 Aug 2025 10:50PM
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Thank for advice guys! Shimmed the mast to make it 0 degrees and moved the mast 1cm forward and now it's just magic. Wow never have I done such high speed bottom turns with such control and be able to choose the steepest part of the wave to place a cutback. It's just amazing and I've ridden it only 3 days and only one day properly tuned. Looking forward to future sessions.

r0d
141 posts
11 Aug 2025 12:55AM
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real1 said..
Thank for advice guys! Shimmed the mast to make it 0 degrees and moved the mast 1cm forward and now it's just magic. Wow never have I done such high speed bottom turns with such control and be able to choose the steepest part of the wave to place a cutback. It's just amazing and I've ridden it only 3 days and only one day properly tuned. Looking forward to future sessions.


Cool you got it dialled. I have been using Silks for nearly 2 years, and I still love them. My custom board has a massive amount of foil angle (race pedigree) and I love the Silks like that, so I guess it's personal preference.I also don't shim the stab (the normal Silk stab) and have had both my 1050 and 850 at 25knots so defo don't need more speed out of them.

real1
13 posts
21 Aug 2025 2:08AM
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hilly said..

kiter63 said..



real1 said..
Skinny is a bit softer or? I'm 75kg you think Enduro would be better at my weight as well? I think 700 enduro is too I small to be single foil and I don't like more than 90cm span on enduro 900. I was thinking Silk 850 and Pure 700 v2 for a bit more glide and speeding in more than 15knt. Makes sense?





If I were you I'd just go with the Silk 850 and wait and see what comes out this fall before adding a second foil. Kind of curious myself what the future holds.

I agree with you on spans over 900 . a little is ok though. An Enduro 800 might be interesting. I did think the 900 was pretty good with a smaller tail.

I've been riding the UHM 80 and it does everything I want.

Tony




Future looks good. A 600 Enduro would be sick.

Their tails are too big. Loving the cut down HA38 and Crisp 130 flex










How much did you chop ha 38? How did the feel change? Does it just get better in roll and faster or more nervous and pitchy as well and more demanding to ride?
Thanks for info

hilly
WA, 7854 posts
21 Aug 2025 7:05AM
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real1 said..

hilly said..


kiter63 said..




real1 said..
Skinny is a bit softer or? I'm 75kg you think Enduro would be better at my weight as well? I think 700 enduro is too I small to be single foil and I don't like more than 90cm span on enduro 900. I was thinking Silk 850 and Pure 700 v2 for a bit more glide and speeding in more than 15knt. Makes sense?






If I were you I'd just go with the Silk 850 and wait and see what comes out this fall before adding a second foil. Kind of curious myself what the future holds.

I agree with you on spans over 900 . a little is ok though. An Enduro 800 might be interesting. I did think the 900 was pretty good with a smaller tail.

I've been riding the UHM 80 and it does everything I want.

Tony





Future looks good. A 600 Enduro would be sick.

Their tails are too big. Loving the cut down HA38 and Crisp 130 flex










How much did you chop ha 38? How did the feel change? Does it just get better in roll and faster or more nervous and pitchy as well and more demanding to ride?
Thanks for info


I did not measure I shaped it to fit with the tubicles at a guess 30mm each side. Less locked in at speed easier to roll side to side. Not nervous or pitchy.



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"Afs Silk" started by Sonsaleta