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Martin 4-0-4. Technical features. A photo.
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Martin 4-0-4. Technical features. A photo.

Martin 4-0-4. Technical features. A photo.

 

Martin 4-0-4 - civil multipurpose cargo-liner, designed «Martin Aircraft» engineers in 1951 year.

 

Martin 4-0-4 photo

 

At its core, the plane Martin 4-0-4 is nothing more than an upgraded version of the model Martin 2-0-2, however, the similarities are there is only a purely external, as the aircraft design has undergone a number of changes, in particular, it was largely strengthened fuselage of the aircraft, its main processing performed flight performance etc.

Nevertheless, despite the fact that the model by Martin 4-0-4 was largely better than the previous version of the aircraft, the great popularity of the airliner was also unable to find among business customers, and in 1953, the aircraft was officially removed with the release. In two years, the production of American engineers were able to build 103 aircraft, at the same time, to date, remained one suitable for the operation of a copy of which is stored in the Museum of Air Glory (USA).

 

A photoMartin 4-0-4

 

Despite the great revision of the aircraft's design, the passenger capacity of the multipurpose airliner did not change, and only 40 people could still board the aircraft. Nevertheless, thanks to the use of fuel tanks of a larger volume, the maximum distance of the aircraft follows a considerable increase, amounting to 1738 kilometers at its full load. Among other things, as well as the model 2-0-2, the aircraft could transport on board and various types of cargoes, in particular, the maximum useful weight of cargo received on board was 5200 kilogram, which made it possible to actively use the aircraft for these purposes.

Plane by Martin 4-0-4 also found its application in the Air Force, in particular, the liner was used in the US as a transport aircraft, and the aircraft is capable of carrying on its board until 50 soldiers.

Powerplant Martin 4-0-4 represented by two radial aircraft engines Pratt & Whitney R-2800-CB16, each of which possessed 18 working cylinders and could develop traction in 1800 hp Maximum airspeed of an aircraft also greatly increased, making 502 km \ h., Which allowed even to overcome the length of the route of the minimum time.

 

AircraftMartin 4-0-4

 

Due to the processing of aircraft design by Martin 4-0-4, greatly improved its reliability, only 4 air incident that occurred in part because of the actions of the crew were officially registered in particular in the history of the operation of these aircraft, and partly because of technical problems.

 

Technical specifications Martin 4-0-4.

 

  • Crew: 3-4 person;
  • Passenger: 40 people;
  • aircraft Length: 22,73 m .;
  • Wingspan: 28,42 m .;
  • Plane Height: 8,66 m .;
  • Weight of empty aircraft: 13211 kg .;
  • Payload: 5200 kg .;
  • Maximum takeoff weight: 20366 kg .;
  • Cruising speed: 451 km \ h .;
  • Maximum flight speed: 502 km \ h .;
  • Maximum flight distance: 1738 km .;
  • Maximum flight height: 8840 m .;
  • aircraft engine type: a piston;
  • Powerplant: 2 × Pratt & Whitney R-2800-CB16;
  • Power: 2 × 2400 hp

 

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