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2. Swashplate (aeronautics) - Wikipedia

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

   They obtained a patent for the device (French Patent No. 398,545, June 7, 1909). [1] Although its principle is also found in earlier patents by other screw inventors. The first successful implementation of the swashplate was made by de la Cierva in 1922 in his autogyro. [2] In 1907 before the flight test of Cornu's helicopter.

3. Category:Helicopter components - Wikipedia

   en.wikipedia.org/wiki/Category:Helicopter_components

   Print/export Download as PDF; Printable version; ... Pages in category "Helicopter components" The following 22 pages are in this category, out of 22 total.

4. Cooper–Harper rating scale - Wikipedia

   en.wikipedia.org/wiki/Cooper–Harper_rating_scale

   The Cooper-Harper Handling Qualities Rating Scale [1] (HQRS), sometimes Cooper-Harper Rating Scale (CHRS), is a pilot rating scale, a set of criteria used by test pilots and flight test engineers to evaluate the handling qualities of aircraft while performing a task during a flight test. The scale ranges from 1 to 10, with 1 indicating the best ...

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6. Sikorsky H-5 - Wikipedia

   en.wikipedia.org/wiki/Sikorsky_H-5

   The Sikorsky H-5 (initially designated R-5 [a] and also known as S-48, S-51 and by company designation VS-327 [1]) is a helicopter built by Sikorsky Aircraft Corporation.. It was used by the United States Air Force, and its predecessor, the United States Army Air Forces, as well as the United States Navy and United States Coast Guard (with the designations HO2S and HO3S).

7. Autorotation - Wikipedia

   en.wikipedia.org/wiki/Autorotation

   It is a common emergency procedure taught to helicopter pilots as part of their training. In normal powered helicopter flight, air is drawn into the main rotor system from above and forced downward, but during autorotation, air moves into the rotor system from below as the helicopter descends.

8. Translational lift - Wikipedia

   en.wikipedia.org/wiki/Translational_lift

   Translational lift is improved rotor efficiency resulting from directional flight in a helicopter.Translation is the conversion from the hover to forward flight. [1]: 2–27 As undisturbed air enters the rotor system horizontally, turbulence and vortices created by hovering flight are left behind and the flow of air becomes more horizontal.

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