Tupolev Tu-91
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The Tupolev Tu-91 ( NATO reporting name Boot) was a
Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nation ...
carrier-borne attack aircraft. It was built only in prototype form, and was converted into a land-based aircraft after
Joseph Stalin Joseph Vissarionovich Stalin (born Ioseb Besarionis dze Jughashvili; – 5 March 1953) was a Georgian revolutionary and Soviet political leader who led the Soviet Union from 1924 until his death in 1953. He held power as General Secretar ...
's death in 1953 cancelled the aircraft carriers being designed.


Development and design

Following the end of
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
, Stalin ordered an aggressive naval expansion to counter the US naval superiority. It called for building extra warships and a fleet of aircraft carriers. In order to equip the proposed carriers,
Soviet Naval Aviation Soviet Naval Aviation (AV-MF, for ''Авиация военно-морского флота'' in Russian, or ''Aviatsiya voyenno-morskogo flota'', literally "aviation of the military maritime fleet") was the naval aviation arm of the Soviet Na ...
required a long-range carrier-based strike aircraft, capable of attacking with bombs or torpedoes. The Tupolev
Design bureau OKB is a transliteration of the Russian initials of "" – , meaning 'experiment and design bureau'. During the Soviet era, OKBs were closed institutions working on design and prototyping of advanced technology, usually for military application ...
decided on a single-engined
turboprop A turboprop is a turbine engine that drives an aircraft propeller. A turboprop consists of an intake, reduction gearbox, compressor, combustor, turbine, and a propelling nozzle. Air enters the intake and is compressed by the compressor. ...
aircraft, designated Tu-91 to meet this requirement.Gunston 1995b, p. 423 The Tu-91 was a low-winged
monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing con ...
with dihedral wings. It was powered by an
Kuznetsov TV-2 The Kuznetsov TV-2 was an early Soviet turboprop engine, designed by the Kuybyshev Engine Design Bureau. Applications ;TV-2F: Antonov An-8 (proposed) Tupolev '101' (project) Tupolev '102' (project)Tupolev Tu-118 (project) ;TV-2M: Tupolev Tu- ...
engine mounted mid-fuselage, driving a six-bladed
contra-rotating Contra-rotating, also referred to as coaxial contra-rotating, is a technique whereby parts of a mechanism rotate in opposite directions about a common axis, usually to minimise the effect of torque. Examples include some aircraft propellers, res ...
propeller in the nose via a long shaft. The crew of two sat side by side in a cockpit in the aircraft's nose, protected by armour plating. It could carry a heavy load of torpedoes or bombs on pylons under the fuselage and under the wings, and had a gun armament of two cannon in the wing roots and two more in a remotely-controlled tail turret. After the death of Stalin in 1953, the planned fleet of carriers was cancelled, but development of the Tu-91 continued as a land-based aircraft, the design being revised to eliminate wing-folding and
arresting gear An arresting gear, or arrestor gear, is a mechanical system used to rapidly decelerate an aircraft as it lands. Arresting gear on aircraft carriers is an essential component of naval aviation, and it is most commonly used on CATOBAR and STOB ...
. It first flew on 17 May 1955, demonstrating excellent performance, resulting in production being authorized. However, after the aircraft was ridiculed by
Nikita Khrushchev Nikita Sergeyevich Khrushchev (– 11 September 1971) was the First Secretary of the Communist Party of the Soviet Union from 1953 to 1964 and chairman of the country's Council of Ministers from 1958 to 1964. During his rule, Khrushchev s ...
when inspecting the prototype, the Tu-91 was cancelled.Duffy & Kandalov 1996, p. 112–113


Specifications (Tu-91)


See also


References


Bibliography

* * * * {{Tupolev aircraft Tu-091 1950s Soviet attack aircraft Single-engined tractor aircraft Single-engined turboprop aircraft Low-wing aircraft Aircraft first flown in 1955