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American Eurocopter – founded as Vought Helicopter Inc, now a wholly owned subsidiary of Eurocopter; American Helicopter [10] Aviodyne U.S.A. Bell/Agusta Aerospace Company; Bell Helicopter [44] Bendix Helicopter Company (defunct) [10] Bensen Aircraft Company (defunct) [10] Boeing Rotorcraft Systems (formerly Boeing Helicopters & Boeing-Vertol ...
Intermeshing rotored helicopters have high stability and powerful lifting capability. The latest Kaman K-MAX model is a dedicated sky-crane design used for construction work, and has been modified for trials by the USMC as an optionally-unmanned cargo transporter. Unmanned aerial vehicles with intermeshing rotors have also been flown. [2]
The museum was founded in 1992 by Mark DiCiero, after he built and learned to fly his own helicopter. The museum is a non-profit and all-volunteer organization, with no paid staff. The museum currently has five helicopters in flying condition, which are flown in air displays. [1] [2] [3] The museum describes its mission as being:
The tail rotor is a smaller rotor mounted so that it rotates vertically or near-vertically at the end of the tail of a traditional single-rotor helicopter. The tail rotor's position and distance from the center of gravity allow it to develop thrust in a direction opposite that of the main rotor's rotation, thereby countering the torque effect ...
Rotorcraft generally include aircraft where one or more rotors provide lift throughout the entire flight, such as helicopters, autogyros, and gyrodynes. Compound rotorcraft augment the rotor with additional thrust engines, propellers, or static lifting surfaces. Some types, such as helicopters, are capable of vertical takeoff and landing.
As early as the late 1960s, Stanley Hiller began collecting aircraft at a warehouse in Redwood City, California. [1] [2] By 1986, it displayed 15 aircraft and set a goal of a acquiring a total of 28 of Hiller's designs. [3] Eight years later it had surpassed this and the Hiller Museum of Northern California Aviation Heritage included over 40 ...
California Secretary of State, accessed Nov. 26, Vote By Mail National Conference of State Legislatures, accessed Nov. 26, States With Mostly Mail Elections Thank you for supporting our journalism.
The Rotorfly R-30 helicopter is a coaxial helicopter with two two-blade fiberglass rotors. The control rods of the upper main rotor are located inside the shaft which reduces turbulence, It has been described as a hingeless teetering blade mount. [2] The aircraft claimed to be very quiet in general. [5]