MD Helicopters MD Explorer
In 1988 helicopter branch of McDonnel Douglas start designing a new generation of multi-purpose helicopter, equipped with NOTAR system for military and civilian use. Helicopter MD 900 Explorer can equally well be used as a utility for the execution of civil transportation and military purposes in order to ensure communication and observation, fire support of the army and fight with tanks.
Helicopter Design for MDX name was started by McDonnell-Douglas in 1988 and carried out in parallel with the launch of mass production, development, testing first helicopter equipped with NOTAR system, in which the purpose of balancing the torque reactive torque of the main rotor is used thruster, and not the tail rotor . Experience that is obtained when creating a data helicopters used in fully MD900 structure.
MD Helicopters MD Explorer photo
The first flight of the helicopter was 18.12.1992. Helicopter built single-rotor scheme NOTAR supply system and dual-engine power plant. Because the power unit is placed above the fuselage, the fuselage and not, as is customary in the past helicopters multipurpose models of McDonnell Douglas, almost the entire interior of the fuselage can be used as a cargo cabin and cockpit. In the cockpit are installed for two pilots seat or the passenger and pilot ≈ Depending on the purpose of the helicopter. For cabin crew located the cargo cabin, which can not be separated, as a rule, from the cockpit bulkhead.
MD Helicopters MD Explorer photo booths
Here you can set up to six passenger seats to accommodate passengers or two stretchers for patients. Because the car floor is made at one level, the helicopter can be used for the transportation of goods on cargo pallets of standard dimensions required. Loading bulky cargo carried by truck rear hatch, on either side of the front fuselage there are also doors that are hinged for access to the cockpit and into the cargo compartment access is carried out through two sliding doors, size 1.2h1.27m. Rear fuselage docked tail boom, equipped with jet NOTAR wheel, which is mounted stabilizer terminated swept washers. Due to the wide use in modern composite fuselage structure materials (Kevlar, carbon fiber, glass fiber) and a light alloys, designers turned to reduce its weight to a large extent.
In the helicopter skid landing gear, which can be modified according to the customer on a wheeled chassis. In order to permit landing on water, can be installed inflatable ballonets.
MD Helicopters MD Explorer photo
Through the use of the power plant and two motors to continue flying on one engine, when another drive fails, the helicopter has a higher operational reliability than previous models MD500 / 530 type helicopters. In the first production helicopter installed gas turbine engines Pratt & Whitney PW206B 465kVt takeoff power. each. You can also install dvigateleyTurbomecaTM319. The capacity of the fuel is 602l. The helicopter main rotor has five lobes in terms of a rectangular shape. The blades are made of composite materials have erosion laths.
Features Helicopter MD Explorer:
Cruising speed: 248km / hour
The highest altitude: 5669m
The highest take-off weight: 3130kg
Cabin height: 1.24m
interior length: 1.91m
The greatest number of passengers: 7
The width of the passenger compartment: 1.45m
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