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  2. Boeing CH-47 Chinook - Wikipedia

    en.wikipedia.org/wiki/Boeing_CH-47_Chinook

    The Chinook is a heavy-lift helicopter that is among the heaviest lifting Western helicopters. Its name, Chinook, is from the Native American Chinook people of Oregon and Washington state. The Chinook was originally designed by Vertol, which had begun work in 1957 on a new tandem-rotor helicopter, designated as the Vertol Model 107 or V-107.

  3. Honeywell T55 - Wikipedia

    en.wikipedia.org/wiki/Honeywell_T55

    Turboshaft engine with a maximum and normal power rating of 2,200 and 1,850 shp (1,640 and 1,380 kW) and a pressure ratio of 6:1; high-speed version of the T55-L-3 [21] allowed for use on the Chinook instead of the geared YT55-L-3 engine due to August 1958 engine contract modification, with the reduction gearing now provided in the helicopter ...

  4. Boeing Vertol CH-46 Sea Knight - Wikipedia

    en.wikipedia.org/wiki/Boeing_Vertol_CH-46_Sea_Knight

    The USMC also used the helicopter for combat support, search and rescue (SAR), casualty evacuation and Tactical Recovery of Aircraft and Personnel (TRAP). The Sea Knight also functioned as the US Navy 's standard medium-lift utility helicopter prior to the type being phased out of service in favor of the MH-60S Knighthawk during the early 2000s.

  5. Germany plans to buy Boeing Chinook transport helicopters as part of a massive procurement drive to upgrade its military, the country's defense minister said Wednesday. Chancellor Olaf Scholz ...

  6. Tandem-rotor aircraft - Wikipedia

    en.wikipedia.org/wiki/Tandem-rotor_aircraft

    This configuration is mainly used for large cargo helicopters. [1] Such aircraft are often informally referred to as "Chinooks," after the CH-47 Chinook, one of the first widely adopted heavy-lift helicopters with a tandem-rotor configuration.

  7. List of United States military helicopters - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Sikorsky Aircraft Corporation 1943 1945 300 Sikorsky R-6: Sikorsky Aircraft Corporation World War II 1943 1945 225 Kellett R-8: Experimental helicopter Kellett Autogiro Corporation: Prototype. Program canceled 1946. 1944 Never 2 Bell H-13 Sioux: Light observation helicopter Bell Aircraft Corporation: Bell 47 variant. 1945 1946 2407 Bell H-12

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