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Consensus on Lightest FAR 103 Wing Design

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WhiskeyHammer

New Member
Joined
Apr 22, 2019
Messages
2
This might be as silly question but is there any consensus on what the lightest wing design is for a homebuilt ultralight?

Planes like the Invader Mk 3, the SkyDock, and the Backyard Flyer Swing Wing appear to be the only planes without some kind of strut or wire bracing. So I'm guessing that the the strut based designs are probably some combination of stronger and lighter.

Which fixed wing ultralight would you recommend I study for a good lightweight wing design?

Bonus Question: It doesn't look like there are many (if any) kit or production fiberglass composite FAR103 ultralights. Is this just a market thing (i.e. the production techniques are too expensive for the level of demand) or is there a technical reason why composites are commonly seen on ultralights?
 
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