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Sikorsky developed the X2 helicopter on a $50 million budget. The design includes expertise gathered from several earlier design projects. The S-69/XH-59A Advancing Blade Concept Demonstrator had shown that high speed was possible with a coaxial helicopter with auxiliary propulsion supplied using two jet engines, but that vibration and fuel consumption was excessive; [2] [3] [4] the Cypher UAV ...
The tank-killing AH-64 Apache attack helicopter costs just $5,171 an hour to operate. ... RC-135: $95,339/hour. E-4B: $372,496/hour. Specialized military aircraft tend to be very expensive.
Learning to fly a collective pitch RC helicopter takes time and practice. Many modelers join a club so they can be instructed by experienced RC pilots, or follow on-line guides. [12] RC Helicopters usually have at least four controls: roll - cyclic pitch, elevator (fore-aft cyclic pitch), rudder (yaw) and pitch/throttle (collective pitch/power ...
RC helicopter. Radio-controlled helicopters, although often grouped with RC aircraft, are in a class of their own due to the vast differences in construction, aerodynamics and flight training. Hobbyists will often venture from planes, to jets and to helicopters as they enjoy the challenges, excitement and satisfaction of flying different types ...
Additionally, the X-22 was to provide more insight into the tactical application of vertical takeoff troop transporters such as the preceding Hiller X-18 and the X-22's successor, the Bell XV-15. Another program requirement was a true airspeed in level flight of at least 525 km/h (326 mph; 283 knots).
The Javelin used a 40 hp (30 kW) motorcycle engine, and was the forerunner of RotorWay's first production helicopter, the Scorpion, which was offered in 1967. [6] The Scorpion, priced at $6,300 (not including the cost of the engine), was the first real kit helicopter on the market that flew.