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2. Carter PAV - Wikipedia

   en.wikipedia.org/wiki/Carter_PAV

   The Carter PAV (Personal Air Vehicle) is a two-bladed, compound autogyro developed by Carter Aviation Technologies to demonstrate slowed rotor technology. The design has an unpowered rotor mounted on top of the fuselage, wings like a conventional fixed-wing aircraft mounted underneath, and a controllable pitch pusher propeller at the rear of the fuselage.

3. Unconventional wind turbines - Wikipedia

   en.wikipedia.org/wiki/Unconventional_wind_turbines

   Counter-rotating wind turbines Light pole wind turbine. Unconventional wind turbines are those that differ significantly from the most common types in use.. As of 2024, the most common type of wind turbine is the three-bladed upwind horizontal-axis wind turbine (HAWT), where the turbine rotor is at the front of the nacelle and facing the wind upstream of its supporting turbine tower.

4. Rotor wing - Wikipedia

   en.wikipedia.org/wiki/Rotor_wing

   The craft would then tilt over to horizontal flight and lift would be provided by cyclic pitch variation of the rotor wings, with the wing tip ramjets now angled to provide forward thrust. [ 5 ] A few years later the American Vought XF5U circular-winged fighter prototype was designed with large radial-lift propellers.

5. Adaptive compliant wing - Wikipedia

   en.wikipedia.org/wiki/Adaptive_Compliant_Wing

   An adaptive compliant wing is a wing which is flexible enough for aspects of its shape to be changed in flight. [1] [2] Flexible wings have a number of benefits.Conventional flight control mechanisms operate using hinges, resulting in disruptions to the airflow, vortices, and in some cases, separation of the airflow.

6. Tiltrotor - Wikipedia

   en.wikipedia.org/wiki/Tiltrotor

   The QTR is a larger, four rotor version of the V-22 with two tandem wings sets of fixed wings and four tilting rotors. In January 2013, the FAA defined US tiltrotor noise rules to comply with ICAO rules. A noise certification will cost $588,000, same as for a large helicopter. [15] [16]

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8. Dihedral (aeronautics) - Wikipedia

   en.wikipedia.org/wiki/Dihedral_(aeronautics)

   The upward tilt of the wings and tailplane of an aircraft, as seen on this Boeing 737, is called dihedral angle. Schematic of dihedral and anhedral angle of an aircraft wing Measuring the dihedral angle. Dihedral angle is the upward angle from horizontal of the wings or tailplane of a fixed-wing aircraft.

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