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The Boeing Vertol CH-46 Sea Knight is a medium-lift tandem-rotor transport helicopter, furnished with a set of counter-rotating main rotors in a tandem-rotor configuration. It was typically powered by a pair of General Electric T58 turboshaft engines, which were mounted on each side of the rear rotor pedestal; power to the forward rotor was ...
Tandem-rotor helicopters, however, use counter-rotating rotors, with each cancelling out the other's torque. Therefore, all of the power from the engines can be used for lift, whereas a single-rotor helicopter uses some of the engine power to counter the torque. [1] An alternative is to mount two rotors in a coaxial configuration.
Boeing Vertol CH-47 Chinook. Boeing Rotorcraft Systems (formerly Boeing Helicopters and before that Boeing Vertol) is the former name of an American aircraft manufacturer, now known as Vertical Lift division of Boeing Defense, Space & Security. The headquarters and main rotorcraft factory is in Ridley Park, Pennsylvania, a suburb of Philadelphia.
The Boeing CH-47 Chinook is a tandem-rotor helicopter originally developed by American rotorcraft company Vertol and now manufactured by Boeing Defense, Space & Security.The Chinook is a heavy-lift helicopter that is among the heaviest lifting Western helicopters.
The M28A1E1/M28A2 was fitted to the AH-1Q, while the M28A3 (no developmental variation known) was fitted to the AH-1P/S helicopter. [66] [67] There is the possibility that the M28A2 could have been the first unit designed to work with the XM128/M128 Helmet Sight System (HSS) developed primarily for use with TOW armed AH-1s. [67] XM35/M35
Orthographically projected diagram of the Boeing Vertol CH-47 Chinook. Data from Royal Air Force [1] [13] General characteristics. Crew: 3–4 (pilot, copilot, one or two air loadmasters depending on aircraft role) Capacity: 55 soldiers and equipment; Length: 98 ft 9 in (30.10 m) Height: 18 ft 8 in (5.69 m) Empty weight: 22,450 lb (10,183 kg)
Columbia's past fleet includes the Hiller 12B, Bell 47-G2, Hiller 12E, MD 500, Sikorsky S-58, Sikorsky S-61 and Sikorsky CH-54. [12] In October 1991, Columbia Helicopters bought four Boeing Vertol 107II-14s from the Swedish Government, formerly operated by the Swedish Air Force as the HKP 4A.
The Australian Government's interest in buying additional Chinooks had not been previously announced, and the Australian Defence Business Review has reported that it was partly motivated by "the low availability of the Army's MRH-90 Taipan helicopter fleet". [105] [106] The order was confirmed on 8 July 2021, at a price of $595 million.
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