Questions tagged [folding-wings]

Wings that fold at a hinge (typically upwards or backwards), usually to make the aircraft take up less space; typically used on carrier-based aircraft.

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162 views

Is there any benefit to folding wings on commercial aircraft?

This video shows NASA researching folding wings, in what looks like a model of an airliner. What would be the benefit to this technology?
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Can a 777X legally be ferried with one or both wingtips folded?

The 777X family (777-8/-9/-10) features wingtips that fold up on the ground to let the aircraft fit in tight spaces. These have to be extended and locked in place before a revenue flight can take ...
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How much performance penalty is incurred from a WW2-era folding wing mechanism?

I'm interested in WW2-era single-engine piston-prop monoplanes. I'm interested in the folding wing mechanisms from the perspective of performance, chiefly two things: How much extra weight does it ...
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Why has the 777x been designed with folding wingtips?

I recently visited the Boeing factory outside Seattle, WA and noted in the distance a new 777x being built with, what looked like very large winglets. However, on closer inspection they're not - the ...
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Were there any folding wing biplanes?

Given that several nations had operational carriers by 1920 and biplanes were still in military service, were there any folding wing biplanes? Wikipedia: United States first purpose built aircraft ...
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Why do the wing tips on the Boeing 777X fold up instead of down?

The outer 11.4 feet (3.8 meters) of the wings of the Boeing 777X are designed to fold up when on the ground. Why aren't they designed to fold down? It seems to me that folding down would be more "...
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1k views

Do F-4 Phantom II pilots actually fold the wings?

In flight simulator X-Plane 8.15, the F-4 Phantom 2 can fold the tip of its wings (well, variable sweep). Is that useful? Why would a pilot fold the wing? To reduce lift for short landing?
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Why did the XB-70 have folding wingtips?

The XB-70's wing tips folded down in flight to: improve directional stability at supersonic speeds reduce shifting of aerodynamic center at supersonic speeds reduce drag at high supersonic speeds ...
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1answer
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How are folding wings managed?

There exist several aircraft - especially carrier-based ones - that have folding wings, to save space. How is this structure strong, taking into account the considerable amount of force on the hinge-...
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Why has the folding wing option of the Boeing 777 never been ordered?

The Boeing 777 has an optional folding wing mechanism to fit into tighter spaces, but it has never been ordered by airlines, according to Wikipedia. Why is this option so unpopular? Now with the ...