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In aeronautics, ice protection systems keep atmospheric moisture from accumulating on aircraft surfaces, such as wings, propellers, rotor blades, engine intakes, and environmental control intakes. [1] Ice buildup can change the shape of airfoils and flight control surfaces, degrading control and handling characteristics as well as performance.
A Focke-Achgelis Fa 330 rotor kite. A rotor kite or gyrokite is an unpowered, rotary-wing aircraft. Like an autogyro or helicopter, it relies on lift created by one or more sets of rotors in order to fly. Unlike a helicopter, gyrokites and rotor kites do not have an engine powering their rotors, but while an autogyro has an engine providing ...
The various types of such rotor wings may be classified according to the axis of the rotor. Types include: [1] [2] Vertical-axis. Conventional rotary wings as used by modern rotorcraft. Spanwise horizontal-axis. Wing rotor: an airfoil-section horizontal-axis rotor which creates the primary lift. Magnus rotor: a rotor which creates lift via the ...
The later canard rotor/wing (CRW) concept added a "canard" foreplane as well as a conventional tailplane, offloading the rotor wing and providing control during forward flight. For vertical and low-speed flight, the main airfoil is tip-driven as a helicopter's rotor by exhaust from a jet engine , and there is no need for a tail rotor .
Other rotor concepts, such as slowed rotors, stopped rotors, folding rotors, and variable-diameter rotors, were investigated for subsequent designs, but Bell engineers Kenneth Wernicke and Bob Lichten deemed them unfeasible compared to experience with the XV-3 project.
Walmart's secret sale room is the perfect place for last-minute gift shopping — all arrive by Christmas. Now that we're in the home stretch to the big day, there are a few places left to shop ...
Hafner Rotabuggy (also known as "Malcolm Rotaplane" and "M.L. 10/42 Flying Jeep") - rotary wing glider attachment for landing jeeps. Tested in 1944 but introduction of vehicle-carrying gliders led to cancellation of project. Hafner Rotachute - one-man rotor-kite for landing assault troops. Not adopted but used instead for testing in support of ...
a rotary wing aircraft intermediate in type, hereinafter referred to as "gyrodyne", between a rotaplane (with the rotor free for autorotation and an upward total axial flow through the rotor disc), on the one hand, and a pure helicopter (with the rotor driven, and a downward total axial flow through the rotor disc), on the other hand, that is ...
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