The aircraft Tupolev ANT-14. A photo. History. Characteristics.
ANT-14 - airliner, which carried out its first flight in 1931 year.
In the early 1930-x significant step in the development of domestic heavy aircraft was the work of the team of TsAGI, headed by AN Tupolev. He was engaged in the design and development of a large airliner (at the time) ANT-14, which later became known as "The Truth." It was an all-metal pyatimotorny vysokoplan duralumin corrugated lining designed by the scheme, which gave the beginning of the development of ANT-9. ANT-14 in its design had a lot of units and units, borrowed from the TB-3 (ANT-6). ANT-14 same way as the ANT-9, reflected a line of creativity to develop Tupolev heavy aircraft with a large payload.
At the beginning 1930-h aviation world believed that the size of the aircraft make it more effective, as this disproportionately and grow repeatedly payload weight of the structure. Many of the creators of the aircraft, hoping to lift the weight of the payload by reducing the weight of the aircraft, began to look for a solution easier to use the scheme of a biplane, despite its aerodynamic irrationality. However, neglecting aerodynamic qualities made this futile path.
But the use of the monoplane scheme goes by without cost: it has complicated the decision to increase the weight of the payload additional difficulties develop lighter aircraft structure. Tupolev together with II Sikorski in their airplanes made a decision to "revolutionary unloading" wing - placing the fuel in the wing and the diversity of power plants along the wing span. Tupolev, applying these principles, began to treat the leaders of the world's aircraft. This concept, starting with the TB-1, used in the ANT-14.
While K-5 8 was designed for passengers on the ANT-9 9, then ANT-14 been many more. Tupolev in the design of the machine had to be taken to all of the requirements for passenger aircraft with special attention. They take into account the safety of flight operations, airworthiness standards, the reliability of systems that provide the flight, economy of operation, noise and comfort.
It is worth noting that the main direction of the work 30-ies, aimed at the development of civil aircraft, primarily distinguished by increasing power by increasing the number of engines. But, despite this, the flight data improved slightly. However, the performance characteristics from ANT-14 managed to get quite high.
ANT-14 originally designed for flights on the route Moscow - Vladivostok. In the middle of 1930-TsAGI and CAF signed a contract for the urgent establishment of technical requirements for the aircraft and its conceptual design. Leaders on the development of the aircraft was appointed experienced engineers: Wing - V. Petlyakov fuselage - Arkhangel'skii, empennage - Nekrasov, engine equipment - I. Pogossky.
Using assemblies and parts of the TB-3, thoroughly tested in real operation, significantly speeded up the construction. In 1930 was developed layout ANT-14, 32 designed for passenger and 1931 year completed the assembly of the car and rolled it on the airfield of the production hall.
ANT-14 5 was equipped with engines "Gnome-Rhone", each 480 hp The wing center section was greater scope than the TB-3 (on 0,8 m). Inside the wing fuel tank capacity were 4, the capacity of which - 2 thousand. Kg. The fuselage has a rectangular cross-section with convex upper and lower sides. The maximum cross-sectional height and width - 3,2 m. Inside, there were rows of seats 9, 4 on each row with a passage in the middle. In the winter, the plane was operated on skis.
ANT-14 was tested in flight Mikhail Gromov 14 1931 year in August. And the next day the plane took off again. Creators from tests which have been quite successful, make sure that ANT-14 has no design flaws. His crew consisted of the navigator, the two pilots and flight attendants.
By all accounts creators ANT-41 turned out quite successful. After the first test pilot Gromov wrote in his report: "The aircraft is easily managed, well-behaved in flight and responsive to slight air currents. Takeoff and landing took place without complications. "
Tupolev and his team tried to make the ANT-41 comfortable, convenient, beautiful and enjoyable for air travel.
|Aircraft Length m||26.49|
|Wing area, m2||240.00|
|engine's type||5 PD Gnome Jupiter VI|
|Power, hp||X 5 480|
|Maximum speed km / h|
|near the ground||195|
|Cruising speed, km / h||204|
|Practical range, km||400|
|Practical ceiling, m||4220|
|Payload:||32 4500 kg passenger or cargo|
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