- Introduction & Background
The CH-47 "Chinook" helicopter is a multi-functional, twin-engine, twin-propeller medium transport helicopter developed and manufactured by Boeing. Its twin-rotor tandem structure eliminates the vertical tail propeller of ordinary helicopters, allowing the body to rise and fall vertically, with a speed of up to 165 miles per hour. Its primary mission ranges from troop transport to battlefield supplies. The CH-47 has been exported to 16 countries, with the largest consumers being the US Army and the Royal Air Force. The CH-47 helicopter first appeared on the Vietnam battlefield in 1962. This helicopter has served in the US military for more than half a century. To this day, not only has it not been eliminated, but it has also been rushed to purchase by other countries.
This type of helicopter was developed in 1956. The CH-47A type began to be equipped with the US Army in 1963, and later the B, C, and D types were developed. The CH-47A transport helicopter was initially equipped with two Lycoming T55-L-5 turboshaft engines with a single power of 2200 shaft horsepower (1640 kilowatts), and was later replaced with a 2650 shaft horsepower (1980 kilowatts) T55-L-7 engine. , empty weight 14,982 kg, maximum payload 4,500 kg.
