Helicopter Bell H-13 Sioux. Specifications. A photo
Helicopter Bell H-13 Sioux. Specifications. A photo

Helicopter Bell H-13 Sioux. Specifications. A photo.


Bell H-13 Sioux - one motor light multipurpose helicopter developed by aircraft manufacturer «Bell Helicopter» in 1945 year.


Bell H-13 Sioux photo


Multiple aircraft was developed by the American aircraft manufacturers on the basis of a model helicopter Bell 47, however, the design of the aircraft was carried out not long after the appearance of this model, and together with him. The appearance of the model helicopter Bell H-13 Sioux almost completely coincides with the design of the aircraft Bell 47, however, in terms of operational capabilities and flight performance, aircraft have a dramatic hallmarks.

Helicopter Bell H-13 Sioux increasingly operated by US forces as a means of reconnaissance aircraft or aircraft for observation and patrol work. However, the helicopter has also been used in the civil aviation sector, however, is its operational capabilities are very limited.

In the cockpit Bell H-13 Sioux aircraft can accommodate up to four people, which depends mainly on the version of the aircraft, and, in addition to transport on its occupants and the use of various special missions and objectives, helicopter Bell H-13 Sioux can also exercise on its side and a small amount of cargo transportation, however, transport aircraft as it is not.


Photo Bell H-13 Sioux


Among other things, the helicopter can also be used as a means of fire cover, in particular, may be installed on board one or two machine guns, to ensure combat manpower of the enemy, but as an independent fire air means the helicopter is not positioned.

The power plant of the Bell H-13 Sioux helicopter includes one piston aircraft engine of the Lycoming TVO-435-A1A brand, capable of developing a thrust of 260 hp, which accordingly enables the helicopter to accelerate to a speed of 170 km / h. (depending on the modification of the aircraft and the power plant used), as well as cover distances of up to 440 kilometers, which, taking into account the production period of this model's helicopters, is considered a very acceptable indicator.


Helicopter Bell H-13 Sioux


The helicopter produced American aircraft manufacturer «Bell Helicopters» and the British company «Westland» in the following models and options:

  • Bell YR-13 - The basic pre-production version of the helicopter, transferred to the US Air Force for testing in order to initiate further production or improvement of the model;
  • Bell YR-13A - An improved version of the helicopter, designed for use in cold regions;
  • Bell HTL-2 - Modification of the US Navy developed on request;
  • Bell HTL-3 - Modification equipped power plant with a capacity of 200 hp .;
  • Bell H-13B - An improved version of the helicopter, presented in 1948 year;
  • Bell YH-13C - Helicopter pilot version with sled chassis;
  • Bell H-13C - Modification to transport stretchers used as a medical evacuation or helicopter;
  • Bell H-13D - Modification to be equipped engine brand Franklin O-335-5;
  • Bell OH-13E - A training version of the helicopter, capable of carrying on its board of three people;
  • Bell XH-13F - A modernized version of a helicopter equipped with a motor Continental XT51-T-3;
  • Bell OH-13G - Triple variant of the helicopter;
  • Bell OH-13H - A modernized version of the engine equipped with the brand Lycoming VO-435 (250 hp);
  • Bell UH-13J - VIP-helicopter variant developed for the transportation of high-ranking state officials;
  • Bell OH-13K - Test pilot version of the helicopter;
  • Bell TH-13L - A modernized version of the helicopter, designed for the US Navy;
  • Bell HTL-5 - Modification, aircraft engine equipped brand Lycoming O-335-5;
  • Bell TH-13M - A modernized version of the transport helicopter developed for the US Navy;
  • Bell HH-13Q - Modification, designed for the US Coast Guard, also used as a search and rescue aircraft equipment;
  • Bell UH-13R - Modification, equipped with gas turbine engine brands Allison;
  • Bell OH-13S - Triple variant of the helicopter, designed to replace the outdated version of the Bell OH-13H;
  • Bell TH-13T - Double trainer version of the helicopter;
  • Bell H-13 Sioux AH.1 - Modification, designed for the armed forces of Great Britain;
  • Bell H-13 Sioux HT.2 - Trainer version of the helicopter, manufactured by British Aircraft «Westland»;
  • Texas Helicopter M74 Wasp - The civilian version of the helicopter used as an agricultural aircraft equipment;
  • Texas Helicopter M74A - An analog version of Texas Helicopter M74 Wasp, with improved power plant marks Lycoming TVO-435 (240 hp);
  • Texas Helicopter M79S Wasp II - A modernized version of the helicopter version of Texas Helicopter M74 Wasp, a number of technical improvements and additions;
  • Texas Helicopter M79T Jet Wasp II - Modification of the agricultural version of the aircraft, equipped with a gas turbine power plant marks Soloy-Allison 250-C20S (420 hp).


According to official data, for the entire period of production, the American and British aircraft manufacturers was built 2407 aircrafts model Bell H-13 Sioux.


Specifications Bell H-13 Sioux.


  • Crew: 1 people (depending on version);
  • Capacity: 3 people (depending on version);
  • helicopter length: 9,63 m (depending on version).
  • The height of the helicopter: 2,95 m (depending on version).
  • The diameter of the rotor: 11,3 m (depending on version).
  • Weight of empty helicopter: 940 kg. (Depending on version);
  • Maximum takeoff weight: 1340 kg. (Depending on version);
  • Cruising speed: 135 km \ h. (Depending on version);
  • Maximum flight speed: 170 km \ h. (Depending on version);
  • Maximum flight distance: 440 km. (Depending on version);
  • Maximum flight height: 4910 m (depending on version).
  • Powerplant: Lycoming TVO-435-A1A (depending on version);
  • Power: 260 hp (Depending on version).



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