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Minor repairs to carbon wing

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Foil
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Re: Minor repairs to carbon wing

Postby Foil » Sat Aug 10, 2019 5:36 am

Kamikuza wrote:
Sat Aug 10, 2019 1:57 am
Cheers guys.
Foil wrote:
Fri Aug 09, 2019 6:31 pm
Kamikuza wrote:
Fri Aug 09, 2019 3:08 pm
...can I use JB Marine Weld and wrap it in that stuff on a roll for packing for a smooth finish, or does it need exposure to air?
I have only tried the clear tape trick once, it failed for me as it failed to cure correctly,
maybe leaving it for 2 days, not one day like I did may work, fingers crossed.
How big a repair were you doing?

I've looked again at mine, and what I thought was a massive hole is really just a deep scratch -- if I tried to add any glass, it'd be too thick.
My try using tape over jb was for a deep gouge in the side of my carbon foil board, for deep scratches on a wing I just clean out and prep with a tiny sharp end screwdriver to get a good key for the jb,
mix a tiny bit of jb,
push it neatly into the scratch with again a tiny screwdriver being careful not to get any outside the scratch area,
then using a clean and new stanley knife blade, hold it at say 45deg, press it gently down on the unscratched surface just before the repair line and push it slowly along the surface, following the direction of the scratch line,
lift off after the end and wipe the blade clean against a stiff flexible bit of plastic,
inspect the repair, if you need a bit more jb then dib that on neatly with the tiny screwdriver end and repeat the smooth blade pass,

you end up with a near perfect glassy finish with no excess jb, or if you get Jb on the area around the scratch then use a damp clean cloth and rub it off, this will save time and further risk of damage when you come to fine sand the line down when dry,using 800 wet paper, any tiny air holes can be fixed using the super glue trick,
one tip using superglue it to buy the little bottles that have the tiny brush inside to apply the tiny amounts you need,
and it's way easier to deposit the baking powder off the end of a tiny plastic blade and tap it over the wet glue, which delivers the fine power more accurately than ever using your fingers.fingers do work but can be messy.

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Kamikuza
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Re: Minor repairs to carbon wing

Postby Kamikuza » Sat Aug 10, 2019 11:23 am

That was basically what I intended to do, working with a minimum of JB. The area isn't flat though, so I'll need a flexible scraper I think. Get it in there like plaster on a wall of I can...

Foil
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Home - New Brighton,Rhosneigr, Ainsdale, Fleetwood, Newbrough
Style: improving foiler.
Gear: Groove Skate 130, naked carbon,gold stripes
101cm Moses Carbon mast
71+90cm Slingshot masts with moses adaptor
Moses- 633 and 683s and 790 wing sets
Ozone V4 Reo 6/8/9
Ozone Chrono V3 UL foil kites -15/13/9
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Re: Minor repairs to carbon wing

Postby Foil » Sat Aug 10, 2019 2:06 pm

Kamikuza wrote:
Sat Aug 10, 2019 11:23 am
That was basically what I intended to do, working with a minimum of JB. The area isn't flat though, so I'll need a flexible scraper I think. Get it in there like plaster on a wall of I can...
old store card works great as well, flexible friend :thumb:

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Kamikuza
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Re: Minor repairs to carbon wing

Postby Kamikuza » Sun Aug 11, 2019 1:33 pm

Store card? Is that some North American thing like shop towels? :lol:

skideeppow
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Re: Minor repairs to carbon wing

Postby skideeppow » Thu Aug 15, 2019 5:27 am

tomtom wrote:
Fri Aug 09, 2019 6:33 pm
I tried baking soda super glue trick yesterday. Best thing since sliced bread. I did not know about. Highly recommended. Slight problem is only that this stuff is VERY hard. So build it slowly do you have not too much sand. It is hard INSTANT so you can build it in layers for bigger repair.
How much powder do you use vs super glue..
I cracked the wimgvtip off my 633. Can I build it up using this method? Of should i stick with the epoxy and carbon to do that ?

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Re: Minor repairs to carbon wing

Postby tomtom » Thu Aug 15, 2019 9:41 am

It react instantly so you basically cannot make it wrong - put some superglue and add baking soda - blow surplus baking soda off.
Try it somewhere else first - its quite fun.

- this is long very boring video - but you get the idea.

Foil
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Style: improving foiler.
Gear: Groove Skate 130, naked carbon,gold stripes
101cm Moses Carbon mast
71+90cm Slingshot masts with moses adaptor
Moses- 633 and 683s and 790 wing sets
Ozone V4 Reo 6/8/9
Ozone Chrono V3 UL foil kites -15/13/9
Ozone Hyperlink ultra light 5mtr
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Re: Minor repairs to carbon wing

Postby Foil » Fri Aug 16, 2019 7:41 am

skideeppow wrote:
Thu Aug 15, 2019 5:27 am
tomtom wrote:
Fri Aug 09, 2019 6:33 pm
I tried baking soda super glue trick yesterday. Best thing since sliced bread. I did not know about. Highly recommended. Slight problem is only that this stuff is VERY hard. So build it slowly do you have not too much sand. It is hard INSTANT so you can build it in layers for bigger repair.
How much powder do you use vs super glue..
I cracked the wimgvtip off my 633. Can I build it up using this method? Of should i stick with the epoxy and carbon to do that ?
Let us know if that works, the guys I know who have tried to build up a new tip end have all failed, as it is never strong enough and fails to bond as one solid wing part,
The best success I have seen and copied myself is to simply sand the tip Into a new profile, more rounded, less likly to chip off again and safer,
and the best bit is it behaves exactly the same as new, even without matching the other side up,
even one of our race guys on here did this to his race wing, and said he found no difference,
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skideeppow (Fri Aug 16, 2019 9:46 pm)
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tomtom
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Re: Minor repairs to carbon wing

Postby tomtom » Fri Aug 16, 2019 8:17 am

I think CA is for filling in. Not for shaping new - if that makes sense.
Im non native speaker...

skideeppow
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Re: Minor repairs to carbon wing

Postby skideeppow » Fri Aug 16, 2019 9:46 pm

good to know thanks
Foil wrote:
Fri Aug 16, 2019 7:41 am
skideeppow wrote:
Thu Aug 15, 2019 5:27 am
tomtom wrote:
Fri Aug 09, 2019 6:33 pm
I tried baking soda super glue trick yesterday. Best thing since sliced bread. I did not know about. Highly recommended. Slight problem is only that this stuff is VERY hard. So build it slowly do you have not too much sand. It is hard INSTANT so you can build it in layers for bigger repair.
How much powder do you use vs super glue..
I cracked the wimgvtip off my 633. Can I build it up using this method? Of should i stick with the epoxy and carbon to do that ?
Let us know if that works, the guys I know who have tried to build up a new tip end have all failed, as it is never strong enough and fails to bond as one solid wing part,
The best success I have seen and copied myself is to simply sand the tip Into a new profile, more rounded, less likly to chip off again and safer,
and the best bit is it behaves exactly the same as new, even without matching the other side up,
even one of our race guys on here did this to his race wing, and said he found no difference,

skideeppow
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Posts: 150
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Re: Minor repairs to carbon wing

Postby skideeppow » Mon Aug 19, 2019 7:47 pm

i ended up just sanding it down. Started with 200 and ended with 1000.


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