The CH-47 Chinook is an American-made heavy transport helicopter of the Cold War and modern times, which is currently (2019) manufactured by Boeing Helicopters. The prototype flight took place in 1961 and the machine entered service in 1962. The helicopter - in the CH-47F version - has a total length of 30.1 meters and the diameter of its rotors is 18.3 meters. The drive is provided by two Lycoming T55-GA-714A engines of 4733 hp each. Its maximum speed in horizontal flight reaches about 315 km / h. The helicopter has a two-rotor system - tandem and is devoid of a tail boom.

Work on the CH-47 Chinook machine began in the late 1950s, when the US Army wanted to replace the CH-37 Mojave helicopter with a completely new machine with a much more modern power unit and better performance. Finally, a machine was created with an unusual tandem system, but meeting the requirements set for it. Moreover, as it turned out over time, it also has great potential for modernization. During production, many development versions of this successful transport helicopter were created, among which we can mention: CH-47A (the first serially produced version), CH-47B (version with more powerful engines and a redesigned hull) or CH-47F (version tested in 2001, with significantly modernized avionics, new engine and chassis). The CH-47 Chinook helicopter has gained considerable popularity and, in various versions, it has been or is still operated by countries such as the USA, Egypt, Greece and Canada.

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