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Helicopter Bell HSL. Specifications. A photo
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Helicopter Bell HSL. Specifications. A photo

Helicopter Bell HSL. Specifications. A photo

 

Bell HSL - US military anti-submarine helicopter, developed in 1953, the aircraft manufacturer «Bell Helicopter».

 

Bell HSL photo

 

The design of a military anti-submarine helicopter model Bell HSL, also called Bell Model 61, began in 1950 year. The initiator of the beginning of such a project was the US Navy, which needed high-quality and effective air equipment used to detect and destroy submarines and enemy submarines. Moreover, due to the peculiarities of the design of the aircraft of this model, the aircraft Bell HSL could also be used for other purposes, for example, for performing search and rescue operations, transporting people and heavy loads on its board.

The first test trials helicopter Bell HSL model were conducted aircraft manufacturers of the company «Bell Helicopter» in 1953 year, however, a number of technical flaws, aircraft control was very difficult, as a consequence, the development continued, and only 1957 year the aircraft was officially presented.

The helicopter gave very effective in terms of its operational capacity, and therefore, in the naval forces of the USA 50 aircrafts of this model were delivered, which operated until the end of 70-ies of the last century.

 

DrivingBell HSL

 

helicopter Armament consists primarily of protivolodnyh torpedoes and depth charges, and as an independent fighting unit to deal with ground and air targets, this tool is not effective.

On board the aircraft Bell HSL unit can accommodate up to 24 people, including four crew members and 20 fully-equipped troops. However, as such, a helicopter for transporting people did not apply, however, could also produce and transport various types of cargo, including large marker, the only condition was that exceeding of the maximum take-off weight of the helicopter, which constituted 12 tons.

The helicopter is equipped with a power Bell HSL ustanvokoy consisting of one 18-cylinder radial aircraft engine brand Pratt & Whitney R-2800-50, which is able to develop traction in 2400 hp, which ensures an aircraft high rate of duty. The use of two bearing rotor aircraft provided improved stabilization during the flight, while the maximum speed of movement of the helicopter was 185 km \ h.

 

Bell HSL scheme

 

There the following options for the aircraft model Bell HSL:

  • Bell XHSL-1 - Experimental prototypes of the aircraft;
  • Bell HSL - Main production version of the aircraft;
  • Bell D-116 - Draft version of the civilian version of the helicopter;
  • Bell D-216 - Draft version of the helicopter, which has increased carrying capacity;
  • Bell D-238 - An improved version of the draft version of Bell D-216.

 

Specifications Bell HSL.

 

  • Crew: 4 person;
  • Capacity: 20 people (depending on version);
  • helicopter length: 11,9 m (depending on version).
  • The height of the helicopter: 4,42 m (depending on version).
  • The diameter of the rotor: 15,7 m .;
  • Weight of empty helicopter: 5890 kg. (Depending on version);
  • Maximum takeoff weight: 12000 kg. (Depending on version);
  • Cruising speed: 160 km \ h .;
  • Maximum flight speed: 185 km \ h .;
  • Maximum flight distance: 565 km .;
  • Maximum flight height: 3920 m .;
  • Powerplant: Pratt & Whitney R-2800-50;
  • Power: 2400 hp

 

 

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