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Full composite wings.

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Full composite wings.

Postby TheJoe » Mon Jun 06, 2016 4:41 pm

Anyone try and make a full composite wing? I was handling one of the new SS Flight wings and it got me thinking about trying it. I have some biax glass with mat and could switch between layers of it and carbon to make a very strong wing. All though it would be a little heavier than a core plus carbon wing.

Any thoughts?

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Re: Full composite wings.

Postby bay surfer » Mon Jun 06, 2016 6:05 pm

Made wood composite wings, 4 layers of 3mm birch ply, 3 layers of biaxial glass, bent/pressed up on a wood jig for Anhedral. Routered out wing profile on another jig, Cut shape sanded, then Vacuumed layered some carbon up on the outside using a small vacuum bag.
Made three sets in like 5 hrs work. I've played with the wings hard slamming into sand, rocks other than a scratch still going strong. I'll throw some pixs up later.

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Re: Full composite wings.

Postby bay surfer » Mon Jun 06, 2016 6:14 pm

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Kamikuza
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Re: Full composite wings.

Postby Kamikuza » Tue Jun 07, 2016 1:13 am

bay surfer wrote:Made wood composite wings, 4 layers of 3mm birch ply, 3 layers of biaxial glass, bent/pressed up on a wood jig for Anhedral. Routered out wing profile on another jig, Cut shape sanded, then Vacuumed layered some carbon up on the outside using a small vacuum bag.
Made three sets in like 5 hrs work. I've played with the wings hard slamming into sand, rocks other than a scratch still going strong. I'll throw some pixs up later.
This interests me . . . is the glassing work beyond a complete novice?

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bay surfer
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Re: Full composite wings.

Postby bay surfer » Tue Jun 07, 2016 1:43 am

I like thin ply, light,strong, bidirectional grains, with glass and epoxy/glass sandwiched in between each layer, damn near unbreakable. Bag some carbon/epoxy on it with a bag you use to store clothes in, using a shop vac for suction. Not real hard.
You could hand layer up a bunch of glass on a simple jig, sand for hours, Carbon bag it, would be heavy and strong.
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Re: Full composite wings.

Postby downunder » Tue Jun 07, 2016 6:42 am

Kamikuza wrote:
bay surfer wrote:Made wood composite wings, 4 layers of 3mm birch ply, 3 layers of biaxial glass, bent/pressed up on a wood jig for Anhedral. Routered out wing profile on another jig, Cut shape sanded, then Vacuumed layered some carbon up on the outside using a small vacuum bag.
Made three sets in like 5 hrs work. I've played with the wings hard slamming into sand, rocks other than a scratch still going strong. I'll throw some pixs up later.
This interests me . . . is the glassing work beyond a complete novice?
No, it's not.

The thing to remember is that wood might 'work', expand, etc, hence a pro's are using an odd number of wood pieces, with grain placed opposite or similar. You get the idea.

But, sanding carbon is no good for electrical devices, and sanding glass for humans, I would rather sand as less as I can.

Carbon is about 0.2mm thick, so 5 layers is about 1mm, each side 2mm, thinking 6mm wood thickness might be ok. Drop the glass, go carbon only.

Total price might be about $20-40 per wing....Alu mast paid $100 (same as the above one), hence all done for 150.

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Re: Full composite wings.

Postby Kamikuza » Tue Jun 07, 2016 11:45 am

Sorry to be a pain--any guides or web pages to look for? Or keywords to search :o

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Re: Full composite wings.

Postby cosmo » Tue Jun 07, 2016 5:00 pm


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Re: Full composite wings.

Postby cosmo » Tue Jun 07, 2016 5:08 pm


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bay surfer
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Re: Full composite wings.

Postby bay surfer » Tue Jun 07, 2016 7:19 pm

Jigs or molds take the most time to make, once you have the shape, the glassing/carbon is the easy part, Just don't use the wife's sewing shears.


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