The CH-47 Chinook helicopter is a twin-engine, tandem rotor, cargo helicopter. The Chinook helicopter's primary missions are movement of ammunition, repair parts, petroleum and tactical movement of artillery, troops, and special weapons on the battlefield.
The Chinook helicopter was designed in the 1950's and fielded in 1962. In 1975 a modernization program was approved to upgrade the CH-47A, B, and C models into a new "D" model configuration. The modernization includes new fiberglass rotor blades, transmission and drive systems, modularized hydraulics, electrical systems, advanced flight controls, triple hook cargo system, and an auxiliary power unit. These features greatly enhance reliability, maintainability, productivity, survivability, and safety of the medium-lift fleet.
Model Kits Review:
http://www.fortunecity.com/meltingpot/portland/971/Reviews/choppers/mh-47e-soa.htm
Other information:
http://avia.russian.ee/helicopters_eng/bvertol_chinook-r.html
http://www.boeing.com/history/boeing/chinook.html
http://www.chinook-helicopter.com/history/history.html
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