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Military


CH-47B Chinook

The CH-47B was introduced by Boeing after a production run of over 350 CH-47A's. The hot mountainous conditions of Viet Nam limited the A models performance capabilities and generated a requirement for increased payload and better performance. The B model introduced the Lycoming T55-L7C engine, a beefed up airframe. Nonsymmetrical rotor blades, and the blunted aft pylon for better stability. Boeing began delivering the CH-47B in May of 1967 and eventually produced a total of 108 B models before production shifted to the CH-47C.



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Page last modified: 07-07-2011 02:29:05 ZULU