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Kamov A-7
The Kamov A-7 is a Soviet two-seat wing-type autogyro with a three-blade rotor, developed by Nikolai Kamov and built by the Central Aerohydronamic Institute (TsAGI). It was the world's first combat autogyro and the first mass-produced rotary-wing aircraft in the USSR. Two experimental machines were built, the A-7 and A-7bis, and five production aircraft (A-7-3A) were completed. History and development Development of the A-7 began in 1931 at TsAGI, which had previously manufactured the TsAGI A-4 autogyro. It was intended to be used for communications, reconnaissance, and artillery spotting, with possible use on naval vessels. The A-7 was completed in 1934. The A-7bis featured better aerodynamics and test flights for it began in 1937. The prototype of the lightened production aircraft, the A-7-3A, was completed in 1940. The autogyros were propelled by a 353 kW M-22 air-cooled engine with a maximum speed of 221 km/h. The tricycle landing gear featured hydraulic dampeners an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Autogyro
An autogyro (from Greek and , "self-turning"), also known as a ''gyroplane'', is a type of rotorcraft that uses an unpowered rotor in free autorotation to develop lift. Forward thrust is provided independently, by an engine-driven propeller. While similar to a helicopter rotor in appearance, the autogyro's rotor must have air flowing across the rotor disc to generate rotation, and the air flows upwards through the rotor disc rather than down. The autogyro was invented by Spanish engineer Juan de la Cierva in an attempt to create an aircraft that could fly safely at low speeds. He first flew one on 9 January 1923, at Cuatro Vientos Airfield in Madrid. The aircraft resembled the fixed-wing aircraft of the day, with a front-mounted engine and propeller. Cierva's autogyro is considered the predecessor of the modern helicopter. The success of the autogyro garnered the interest of industrialists and under license from Cierva in the 1920s and 1930s, the Pitcairn & Kellett compan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TsAGI
The Central Aerohydrodynamic Institute (also (Zhukovsky) Central Institute of Aerodynamics, russian: Центра́льный аэрогидродинами́ческий институ́т, ЦАГИ, Tsentral'nyy Aerogidrodinamicheskiy Institut, TsAGI) was founded in Moscow by Russian aviation pioneer Nikolai Yegorovich Zhukovsky on December 1, 1918. History From 1925 and up to the 1930s, TsAGI developed and hosted Tupolev's AGOS (''Aviatziya, Gidroaviatziya i Opytnoye Stroitelstvo'', the "Aviation, Hydroaviation, and Experimental Construction"), the first aircraft design bureau in Soviet Union, and at the time the main one. In 1930, two other major aircraft design bureaus in the country were the Ilyushin's TsKB (''Tsentralnoye Konstruksionnoye Byuro'' means "Central Design Bureau") and an independent, short-lived Kalinin's team in Kharkiv. In 1935 TsAGI was partly relocated to the former dacha settlement ''Otdykh'' (literally, "Relaxation") converted to the new urban-type set ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nikolai Kamov (engineer)
Nikolai Ilyich Kamov (russian: Никола́й Ильи́ч Ка́мов; 24 November 1973) was a Soviet aerospace engineer, a pioneer in the design of helicopters, and founder of the Kamov helicopter design bureau. Biography Kamov was born in Russian family, in Irkutsk, but lived in Tomsk until his death on November 24, 1973 in Moscow. He graduated from Tomsk Polytechnic University with an engineering degree in 1923. Kamov worked with Dmitry Grigorovich and later - for TsAGI. In 1940 he was assigned to establish the new helicopter OKB which was later named after him. Memory * Buried at the Novodevichy Cemetery, Moscow * Since 1992 one of the two main Soviet-Russian helicopter manufacturers bears a surname of Nikolai Kamov See also * List of Kamov aircraft This is a list of aircraft produced by Kamov, a Russian aircraft manufacturer. Designs ;KaSkr-I Gyrocraft 1929: 25 September 1929, the first Soviet autogyro, designed by Kamov and Skrzhinskii. Based ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soviet Air Forces
The Soviet Air Forces ( rus, Военно-воздушные силы, r=Voyenno-vozdushnyye sily, VVS; literally "Military Air Forces") were one of the air forces of the Soviet Union. The other was the Soviet Air Defence Forces. The Air Forces were formed from components of the Imperial Russian Air Service in 1917, and faced their greatest test during World War II. The groups were also involved in the Korean War, and dissolved along with the Soviet Union itself in 1991–92. Former Soviet Air Forces' assets were subsequently divided into several air forces of former Soviet republics, including the new Russian Air Force. "March of the Pilots" was its song. Origins The ''All-Russia Collegium for Direction of the Air Forces of the Old Army'' (translation is uncertain) was formed on 20 December 1917. This was a Bolshevik aerial headquarters initially led by Konstantin Akashev. Along with a general postwar military reorganisation, the collegium was reconstituted as the "Workers' an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USSR
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 national republics; in practice, both its government and its economy were highly centralized until its final years. It was a one-party state governed by the Communist Party of the Soviet Union, with the city of Moscow serving as its capital as well as that of its largest and most populous republic: the Russian SFSR. Other major cities included Leningrad (Russian SFSR), Kiev ( Ukrainian SSR), Minsk ( Byelorussian SSR), Tashkent (Uzbek SSR), Alma-Ata (Kazakh SSR), and Novosibirsk (Russian SFSR). It was the largest country in the world, covering over and spanning eleven time zones. The country's roots lay in the October Revolution of 1917, when the Bolsheviks, under the leadership of Vladimir Lenin, overthrew the Russian Provisional Gove ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TsAGI A-4
The TsAGI A-4, sometimes anglicised as CAHI A-4 or ZAGI A-4, (russian: ЦАГИ А-4) was an early Russian autogyro, influenced by Cierva designs and delivered in small numbers to the Soviet Air Force in 1934. Design and development The early Russian TsAGI autogyros were strongly influenced by the work of Juan de la Cierva and their 1931 designed A-4 was broadly similar to the Avro-built 1929 Cierva C.19, with a pylon mounted rotor, forward tractor configuration engine, small wings with ailerons and a conventional tail. It first flew on 6 November 1932 but it took about a year before rotor vibrational problems were solved and successful tests completed. The flat sided fuselage of the A-4 was built around four tube steel longerons with internal tube bracing and covered with a mixture of fabric and plywood. A M-26 (KIM) 7-cylinder radial engine was mounted in the nose, cowled in a Townend ring and with its output shaft pointing downwards at an angle of 4.5°. Its small, low ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
S V Semenychev, Central House Of Aviation And Cosmonautics
S, or s, is the nineteenth letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''ess'' (pronounced ), plural ''esses''. History Origin Northwest Semitic šîn represented a voiceless postalveolar fricative (as in 'ip'). It originated most likely as a pictogram of a tooth () and represented the phoneme via the acrophonic principle. Ancient Greek did not have a phoneme, so the derived Greek letter sigma () came to represent the voiceless alveolar sibilant . While the letter shape Σ continues Phoenician ''šîn'', its name ''sigma'' is taken from the letter '' samekh'', while the shape and position of ''samekh'' but name of ''šîn'' is continued in the '' xi''. Within Greek, the name of ''sigma'' was influenced by its association with the Greek word (earlier ) "to hiss". The original name of the letter "sigma" may have been ''san'', but due to the compli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PV-1 Machine Gun
PV-1 (''Pulemet Vozdushny'', airborne machine gun) is a Soviet air-cooled version of the Russian M1910 Maxim for mounting on aircraft. It was designed between 1926 and 1927. The first prototypes were produced and accepted into service in 1928.Широкорад А.Б. (2001) ''История авиационного вооружения'' Харвест (Shirokorad A.B. (2001) ''Istorya aviatsionnogo vooruzhenia'' Harvest. ) (''History of aircraft armament''), pages 68-69 The gun was created at the initiative of the Soviet military pilot Alexander Vasilevich Nadashkevich (Александр Васильевич Надашкевич) after he was appointed to the Scientific and Technical Committee of the Soviet Air Force in 1923. His main objective was to obtain a gun with increased rate of fire and reduced weight relative to the M1910. In this endeavor, Nadashkevich collaborated with several engineers from the Tula Arms Factory, including Tretyakov and Pastuhov, who were the spiri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Degtyaryov Machine Gun
The Degtyaryov machine gun (russian: Пулемёт Дегтярёвa Пехотный, Pulemyot Degtyaryova Pekhotny literally: "Degtyaryov's infantry machine gun") or DP-27/DP-28 is a light machine gun firing the 7.62×54mmR cartridge that was primarily used by the Soviet Union, with service trials starting in 1927, followed by general deployment in 1928. Besides being the standard Soviet infantry light machine gun (LMG) during World War II, with various modifications it was used in aircraft as a flexible defensive weapon, and it equipped almost all Soviet tanks in WWII as either a flexible bow machine gun or a co-axial machine gun controlled by the gunner. It was improved in 1943 producing the DPM, but it was replaced in 1946 with the RP-46 which improved on the basic DP design by converting it to use belt feed. The DP machine gun was supplemented in the 1950s by the more modern RPD machine gun and entirely replaced in Soviet service by the general purpose PK machine gun in t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RS-82 (rocket Family)
RS-82 and RS-132 (Reaktivny Snaryad; Russian: Реактивный Снаряд; rocket-powered projectile) were unguided rockets used by Soviet military during World War II. Development Design work on RS-82 and RS-132 rockets began in the late 1920s, by the Gas Dynamics Laboratory (GDL) led by Georgy Langemak, and including Nikolai Tikhomirov, Vladimir Artemiev, Boris Petropavlovsky, Yuriy Pobedonostsev, and others. The 82 mm (3.2 in) and 132 mm (5.2 in) diameters were chosen because the standard smokeless gunpowder charge used at the time was 24 mm (0.94 in) in diameter and seven of these charges fitted into an 82 mm cylinder. The first test-firing of a solid fuel rocket was carried out in March 1928, which flew for about 1,300 meters and in 1932 in-air test firings of RS-82 missiles from an Tupolev I-4 aircraft armed with six launchers successfully took place. In 1933 GDL became part of the Reactive Scientific Research Institute, where developm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Winter War
The Winter War,, sv, Vinterkriget, rus, Зи́мняя война́, r=Zimnyaya voyna. The names Soviet–Finnish War 1939–1940 (russian: link=no, Сове́тско-финская война́ 1939–1940) and Soviet–Finland War 1939–1940 (russian: link=no, Сове́тско-финляндская война́ 1939–1940) are often used in Russian historiographybr>В.Н. Барышников. От прохладного мира к Зимней войне. Восточная политика Финляндии в 1930–е годы. Санкт-Петербург, 1997.; О.Д. Дудорова. Неизвестные страницы Зимней войны. In: Военно-исторический журнал. 1991. №9.; Зимняя война 1939–1940. Книга первая. Политическая история. М., 1998. – ; ttp://www.otvaga2004.narod.ru/photo/winterwar/wwar1.htm М. Коломиец. Танки в Зимней войне 19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 military alliances: the Allies and the Axis powers. World War II was a total war that directly involved more than 100 million personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the only two nuclear weapons ever used in war. World War II was by far the deadliest conflict in human history; it resulted in 70 to 85 million fatalities, mostly among civilians. Tens of millions died due to genocides (including the Holocaust), starvation, ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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