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Raptor-Inspired Drone Could Lead To Increased Maneuverability

AV Web

A pair of aerodynamic researchers at the École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland have created a raptor-inspired drone that uses its tail feathers to control bank, rather than wingtip feathers mimicked by ailerons on airplanes. The turns could be executed at low and high speeds as the raptors maneuvered.

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35 years ago: How a United Airlines crew landed an ‘unflyable’ DC-10

Aerotime

The aircraft was powered by three General Electric CF6 turbofan engines, with one mounted under each wing and a third located above the rear fuselage in the base of the tail. On scanning the engine instruments, it quickly became apparent that the number two tail-mounted engine had failed.

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P-51B Mustang ‘Shillelagh’ Restoration Progresses Under New Ownership

Vintage Aviation News

The tail section mates perfectly with the forward fuselage. The horizontal and vertical stabilizers have also been completed and attached to the tail section. Before the temporary halt in restoration, the fuselage structural framework had been completed and painted.

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What Is a Flat Spin?

Pilot Institute

PARE: Power idle, Ailerons neutral, Rudder opposite, Elevator forward. A flat spin happens when the center of gravity shifts too far aft (toward the tail), and the aircraft’s rotation becomes more horizontal. Ailerons: Neutral. The movement of the ailerons will change the angle of attack of both wings. Let’s get started!

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The Ercoupe

Plane and Pilot

Many years ago, while working my way through college pumping avgas at the local airport, I discovered that one of our university deans owned a diminutive two-seat, twin-tailed airplanean Ercoupe. ERCO), Weick refined the design into the low-wing, twin-tailed beauty whose distinctive looks are unmistakable.

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Grounded Dreams: Fisher P-75 Eagle, General Motors’ High-Performance Fighter

Vintage Aviation News

The initial design incorporated wing panels from the North American P-51 Mustang, the tail assembly of the Douglas A-24, and the landing gear from the Vought F4U Corsair. Other issues included insufficient engine cooling, excessive aileron forces at high speeds, and poor spin recovery.

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Everything You Need To Know About Ailerons

Pilot Institute

At first glance, ailerons look like ordinary hinged panels on the wings, but don’t be fooledthey’re important for keeping an aircraft both stable and maneuverable. But theres much more to ailerons than just rolling left or right. Or how do modern airplanes reduce dangerous effects like aileron flutter or adverse yaw?

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