Author Topic: Foil Wing Screws Coming Loose While Riding  (Read 4226 times)

Seattle-Wind

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Foil Wing Screws Coming Loose While Riding
« on: March 23, 2020, 08:57:10 AM »
I have a Gong XXL Pro foil set-up and recently I've found that no matter how hard I tighten the 2 bolts on the front wing that they still come a bit loose after 20 minutes of Winging and the front wing gets wobbly. It's no fun to ride with a wobbly front wing! Has anyone experienced this before and what was the remedy? Loc-tite or plumbers tape?

Dwight (DW)

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Re: Foil Wing Screws Coming Loose While Riding
« Reply #1 on: March 23, 2020, 09:17:12 AM »
Use Tef Gel. it’s sticky and should stop that.

Califoilia

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Re: Foil Wing Screws Coming Loose While Riding
« Reply #2 on: March 23, 2020, 10:23:34 AM »
I used Loctite "blue" 242 (removable) previously that I liked and worked really well, until I recently got a jar of Tef-Gel which I've just started using for a couple sessions, but that I don't have enough experience with to say if I like it over the Loctite or not.

The one thing I can say about the two in comparison...the Loctite goes on a whole lot easily and cleaner than the Tef-Gel. The Tef-Gel is definitely sticky, and seems to be able to fling itself all over the back of my van whenever I take the cap off the jar.  :-\

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Fishman

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Re: Foil Wing Screws Coming Loose While Riding
« Reply #3 on: March 23, 2020, 12:27:26 PM »
Also... Add the "top third screw mod" to the top of the wing. It makes a difference.
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Fishman

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Re: Foil Wing Screws Coming Loose While Riding
« Reply #4 on: March 23, 2020, 03:05:12 PM »
I'd used a drill bushing when drilling like this to protect the threads and center up the hole, but they do it without one here.
https://youtu.be/zvwg6JdaJb4
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surfcowboy

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Re: Foil Wing Screws Coming Loose While Riding
« Reply #5 on: March 23, 2020, 07:59:08 PM »
Fishman, where’d you get the drill bushing? I wanna do that and would rather not risk the threads if I don’t have to.

Fishman

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Re: Foil Wing Screws Coming Loose While Riding
« Reply #6 on: March 23, 2020, 10:40:05 PM »
McMaster-Carr has some.
https://www.mcmaster.com/press-fit-drill-bushings

Outside dia 5mm is the right size (2mm inside is good)
I used scotch tape to make my standard size D bushing to get a good fit.
Colas used some 5mm OD copper tube. https://www.amazon.fr/Profil%C3%A9-cuivre-tube-4-1-longueur/dp/B00FX0RDRA

If you what you can use mine, send me a self address envelope...
« Last Edit: March 23, 2020, 10:46:59 PM by Fishman »
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clay

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Re: Foil Wing Screws Coming Loose While Riding
« Reply #7 on: March 24, 2020, 11:07:12 AM »
I have found that big wings put a lot torque / leverage on the foil and the bolts can loosen up, same in bigger more powerful surf especially after a few wipeouts.

Have you tried bringing a small L key wrench into the water with you and tighten up after the bolts loosen?  I have found that doing this gets the bolts tight and they stay tight.  Also retapping to 8mm usually solves the problem.
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