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Tailless Aircraft: How Airplanes Fly Without a Tail

Pilot Institute

A tailless airplane is one where everything needed to fly, like lift, control, and stability, is built into the main wing. In level flight, the aircraft is adjusted so that the wingtips dont add lift. Use of Reflex Airfoils Ever notice how many tailless aircraft have wings that curve at the trailing edge?

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Mach Number Explained: What It Is and Why Pilots Use It

Pilot Institute

Lift, drag, and handling correlate well with IAS in the lower atmosphere. Making the wing relatively flat on top with a blunter leading edge and more curvature on the bottom gives you a supercritical airfoil. This means the inboard wing loses lift first, while the wingtips might still be lifting.

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Flight Test Files: B-47A Stratojet

Vintage Aviation News

Although the B-47A appeared structurally sound upon arrival, flight testing revealed notable shortcomingsparticularly buffeting issues that limited both its top speed and achievable lift. The door to the cockpit area is open, showing a view of the ladder that folds down to be used by the pilots to enter and leave the area.

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FAA Releases Powered-Lift Certification Guidance

Flying Magazine

The FAA this month quietly published long-awaited guidance for the certification of powered-lift aircraft—the first new category of civil aircraft since helicopters were introduced in the 1940s. For lift during horizontal flight, they use rigid airfoils such as wings. b) regulations for special class aircraft.

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What Is a Variable-Sweep Wing? How Swing Wings Work

Pilot Institute

Key Takeaways Variable-sweep wings adjust in flight to balance lift and speed. Straight Wings and Swept Wings At low speeds, like when you’re taking off or landing, you can extend the wings straight out to produce more lift. This is because straight wings have a higher aspect ratio, which also increases the coefficient of lift.

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Biplanes: If One Wing Is Good, Two Must Be Better

Flying Magazine

That combination of requirements was incompatible with very thin wings, and in the early days of aviation it was widelythough not universallybelieved that thin birdlike airfoils were best. When engines were weak and it was hard to get into the air at all, multiple wings were an obvious way to add lift without making the airplane much bigger.

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Why Aircraft Sometimes Takeoff With More Flaps Than Usual

Simple Flying

One of the most influential cockpit levers on a jet’s take-off is the flap handle. Hinged panels at the wing’s trailing and leading edges transform a sleek airfoil into a low-speed lift sail. Increasing camber, flaps propel an airliner to lift off at lower speeds, trading a little drag for a lot of lift.