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 Post subject: Damage to the wing - how to fix?
PostPosted: Wed Aug 27, 2014 4:51 pm 
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Joined: Tue Apr 22, 2003 1:37 pm
Posts: 71
Location: Hong Kong
Hi All,

I was not careful one day and managed to hit an underwater rock with my carbon silente foil.

The questions I have are the following :

1. How much those dings on the photos affect performance? Should I bother to fix?
I can still ride it and so far, I can't say that I noticed much difference in performance. But sometimes I fell that maybe I am adjusting the board a bit more now. but I am not sure if that it the case.

2. If I need to fix it, what is the best way to go about it?

3. Do those dings affect strength of the wing? (i.e.: will it now be easier to break if not fixed)

thank you all very much in advance.

-D.

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 Post subject: Re: Damage to the wing - how to fix?
PostPosted: Wed Aug 27, 2014 6:23 pm 
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Joined: Wed Aug 24, 2011 11:39 am
Posts: 1095
Sand it, fill it with Bondo or Solarez and sand it again.


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 Post subject: Re: Damage to the wing - how to fix?
PostPosted: Wed Aug 27, 2014 6:46 pm 
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Joined: Tue Nov 09, 2010 10:00 pm
Posts: 88
if you can get ahold of any graphite powder the fix will be much better aesthetically,
mix w epoxy to the thickness of peanut butter, sand first, tape box around damage, fill, let harden, sand flat using a sanding block and wet 220->400->600


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 Post subject: Re: Damage to the wing - how to fix?
PostPosted: Wed Aug 27, 2014 8:02 pm 
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Joined: Wed Jan 29, 2003 1:00 am
Posts: 111
Location: New Zealand
agree with Tpink. I have done exactly that to the rear foil of my silente. Pretty much imperceptible now. Just take care doing it and mask off the good areas so you dont scratch them.
Good luck.


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 Post subject: Re: Damage to the wing - how to fix?
PostPosted: Wed Aug 27, 2014 9:30 pm 
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Joined: Sun Sep 04, 2011 5:37 pm
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TPink wrote:
if you can get ahold of any graphite powder the fix will be much better aesthetically,
mix w epoxy to the thickness of peanut butter, sand first, tape box around damage, fill, let harden, sand flat using a sanding block and wet 220->400->600


:thumb: :thumb: :thumb:

West Systems Graphite Powder :
http://www.jmsonline.net/filler-graphit ... oCMKLw_wcB

Mix it with a SLOW cure Epoxy , (NOT polyester) ; the slower the cure, the
better the bond.

Do NOT use bondo ; that is also a polyester.

On a molecular level, Epoxy has a molecular weight chain that is Much smaller
than that of polyester ; so the mechanical bond of epoxy is MUCH BETTER
than if you fix the same with polyester. It would be like poring sand, (your epoxy)
to fix your foil ; or using a binder that has molecules the size of gulf-balls, (your polyester).

Remember that your foil is Already cured, so the bond with your fix is mechanical
in nature ; not like a molecular bond you get, between un-cured layers of resin, when
your laying down freshly wetted-out fibers.

Bille


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 Post subject: Re: Damage to the wing - how to fix?
PostPosted: Thu Aug 28, 2014 1:33 pm 
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Joined: Tue Apr 22, 2003 1:37 pm
Posts: 71
Location: Hong Kong
Thank you guys. Very good info. I will look for these products you mentioned.

Today I saw this product in Singapore and it seem to be amazing from the video, but not sure if it is actually deliver. Did anybody try it and if yes, would it also work to fill those gaps?

http://www.rapid-fix.com

RapidFix Welding Powder is based on carbon fibre technology, delivering incredible reinforcement when used with RapidFix Adhesive. This powder feels like silk and can be sanded to the smoothest of finishes. The Welding Powder is a complementary formulation that enables even stronger bonds, and can repair holes, cracks, and gaps. For some applications, the Welding Powder can even function like solder or traditional heat welding. Areas treated with RapidFix can be filed, sanded, and painted almost immediately. No top coat filler is needed.


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