The Lockheed Martin P-791 – say « Pi-seven-ninety-one » – is a hybrid air vehicle as she is an actual multirole aircraft. She can be an aerostatic, aerodynamic, manned, unmanned, cargo, all-terrain and ISR (Intelligence Surveillance and Reconnaissance) airship as shown in the video below:
14:0802/12/2010Russian Helicopters will start production of its new Mi-38 utility transport helicopter in 2013, after resolving engine supply problems with Canadian supplier Pratt & Whitney Canada, Russian state-owned rotorcraft builder Russian Helicopters said on Thursday.>>
The main rotor or rotary wing on the H-3 has five identical wing blades. Other helicopters may have two, three, or four blades. A typical wing blade is shown in figure 1-17. The rotary-wing blade is made of aluminum alloy, except the steel cuff by which the blade attaches to the rotor hub. The main supporting member of the blade is a hollow, aluminum alloy extruded spar, which forms the leading edge. The steel cuff is bolted to the root end of the spar. Twenty-three individual pockets constructed of aluminum ribs, aluminum channels, and aluminum skin covering are bonded to the aft edge of the spar.
The Eurocopter X3 concept is a High-speed long-range Hybrid Helicopter (H3 concept) which flies up to 220 knots or 410 km/h. Special thanks to Xavier – http://passiondesavions.blogspot.com webmaster – who stumbled upon this French-subtitled video:
The A160 « Hummingbird » or YMQ-18 – its military designation – is an American unmanned helicopter that is being tested in Central America, in Belize. This VTOL – Vertical Takeoff and Landing – prototype has been developed by the U.S. DARPA & the Boeing’s R&D division, the Phantom Works. The DARPA calls this drone FORESTER – FOPEN (FOliage PENetration) Reconnaissance, Surveillance, Tracking and Engagement Radar. You can watch the video hereafter:
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