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Avia
Avia Motors s.r.o. is a Czech automotive manufacturer. It was founded in 1919 as an aircraft maker, and diversified into trucks after 1945. As an aircraft maker it was notable for producing biplane fighter aircraft, especially the B-534. Avia ceased aircraft production in 1963. History The company was founded by Pavel Beneš, Miroslav Hajn, Jaroslav František Koch and Václav Malý in 1919 and became part of Škoda Works a.s. in 1928. During the 1930s the factory became the biggest aircraft producer in Czechoslovakia and moved to Letňany near Prague, where production continues until today. During the Nazi occupation Avia made aircraft for the German Luftwaffe. After the war the company was nationalized and became involved in the automotive industry. It made aircraft until 1963, then concentrated on truck production and continued to make aircraft engines (producing only propellers from 1988). The company was split in 1992 into propeller and truck sections, both using th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avia Police
Avia Motors s.r.o. is a Czech Republic, Czech automotive manufacturer. It was founded in 1919 as an aircraft maker, and diversified into trucks after 1945. As an aircraft maker it was notable for producing biplane fighter aircraft, especially the Avia B-534, B-534. Avia ceased aircraft production in 1963. History The company was founded by Pavel Beneš, Miroslav Hajn, Jaroslav František Koch and Václav Malý in 1919 and became part of Škoda Works, Škoda Works a.s. in 1928. During the 1930s the factory became the biggest aircraft producer in Czechoslovakia and moved to Letňany near Prague, where production continues until today. During the Nazi occupation Avia made aircraft for the Germany, German Luftwaffe. After the war the company was nationalization, nationalized and became involved in the automotive industry. It made aircraft until 1963, then concentrated on truck production and continued to make aircraft engines (producing only propeller (aircraft), propellers from 1988 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avia A11 Trend 1
Avia Motors s.r.o. is a Czech automotive manufacturer. It was founded in 1919 as an aircraft maker, and diversified into trucks after 1945. As an aircraft maker it was notable for producing biplane fighter aircraft, especially the B-534. Avia ceased aircraft production in 1963. History The company was founded by Pavel Beneš, Miroslav Hajn, Jaroslav František Koch and Václav Malý in 1919 and became part of Škoda Works a.s. in 1928. During the 1930s the factory became the biggest aircraft producer in Czechoslovakia and moved to Letňany near Prague, where production continues until today. During the Nazi occupation Avia made aircraft for the German Luftwaffe. After the war the company was nationalized and became involved in the automotive industry. It made aircraft until 1963, then concentrated on truck production and continued to make aircraft engines (producing only propellers from 1988). The company was split in 1992 into propeller and truck sections, both using the Av ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avia
Avia Motors s.r.o. is a Czech automotive manufacturer. It was founded in 1919 as an aircraft maker, and diversified into trucks after 1945. As an aircraft maker it was notable for producing biplane fighter aircraft, especially the B-534. Avia ceased aircraft production in 1963. History The company was founded by Pavel Beneš, Miroslav Hajn, Jaroslav František Koch and Václav Malý in 1919 and became part of Škoda Works a.s. in 1928. During the 1930s the factory became the biggest aircraft producer in Czechoslovakia and moved to Letňany near Prague, where production continues until today. During the Nazi occupation Avia made aircraft for the German Luftwaffe. After the war the company was nationalized and became involved in the automotive industry. It made aircraft until 1963, then concentrated on truck production and continued to make aircraft engines (producing only propellers from 1988). The company was split in 1992 into propeller and truck sections, both using th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avia B-534
The Avia B-534 is a Czechoslovak biplane developed and manufactured by aviation company Avia. It was produced during the period between the First World War and the Second World War. The B-534 was perhaps one of the most well-known Czechoslovakian aircraft of the era. During 1932, work had commenced on the development of a new single-engined biplane fighter aircraft, the Avia B-34, which had been designed by aeronautical engineer František Novotný. During its development, various alternative engines were considered and trialled before eventually settling upon the license-built Hispano-Suiza 12Y engine. Other improvements during the prototype stage included the adoption of an enclosed cockpit along with a revised tail and undercarriage arrangement. On 14 April 1934, the second prototype, while flown by test pilot Václav Kočí, successfully attained a Czechoslovak national speed record of . Deliveries of production aircraft to the Czechoslovak Air Force commenced in October 19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aircraft
An aircraft is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or by using the Lift (force), dynamic lift of an airfoil, or in a few cases the Powered lift, downward thrust from jet engines. Common examples of aircraft include airplanes, helicopters, airships (including blimps), Glider (aircraft), gliders, Powered paragliding, paramotors, and hot air balloons. The human activity that surrounds aircraft is called ''aviation''. The science of aviation, including designing and building aircraft, is called ''aeronautics.'' Aircrew, Crewed aircraft are flown by an onboard Aircraft pilot, pilot, but unmanned aerial vehicles may be remotely controlled or self-controlled by onboard computers. Aircraft may be classified by different criteria, such as lift type, Powered aircraft#Methods of propulsion, aircraft propulsion, usage and others. History Flying model craft an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Renault Super Goélette
The Renault Super Goélette is a van from the small commercial vehicle range (GVW of 3.3 tonnes and 3.5 tonnes) manufactured by Saviem and marketed by Renault from 1965 to 1970, then from 1971 to 1980 by Saviem and finally by Renault Véhicules Industriels (RVI) between 1980 and 1982. In June 1965, the Renault Super Goélette SG2 replaced the Goélette with new features: wide curved windscreen, replacement of the sheet metal dashboard, steering wheel shifter, front independent, variable flexibility suspension with coil springs (rear leaf spring suspension in 1967''L'argus'', 6 October 1966.), telescopic shock absorbers and high ground clearance. However, the gasoline engine remained of the earlier "Étendard" type (as used in the Renault Frégate). The diesel engines were of a swirl chamber design, a 2.7-liter Saviem 580-03 was fitted to the SG 2 D and the 3-liter 591–01 to the SG 4 D. In the fall of 1966, the front end was revised: the windshield is enlar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pavel Beneš
Pavel Beneš (14 June 1894 in Prague - 31 May 1956 in Prague) was a chief designer at ČKD-Praga, one of the largest engineering companies in the former Czechoslovakia and today's Czech Republic. Beneš was first a founder and chief designer at Avia, along with Miroslav Hajn, in 1919. The two began repairing planes in a workshop within the complex of an old sugar factory in Prague. One year later, they designed their first two-seater plane, the Avia BH-1. From 1923 to 1925, the two developed the BH-7, BH-9, and BH-11 monoplanes, launching the era of biplane fighters. The BH-11 won the Coppa d' Italia prize. Three years later, their BH-21 fighter was considered one of the world's best planes. In 1930, Beneš and Hajn came to ČKD-Praga. The first aircraft they designed was the Praga E-39 in 1931. In April 1935, he joined Jaroslav Mráz to form the Beneš-Mráz aircraft factory in Choceň Choceň (; german: Chotzen) is a town in Ústí nad Orlicí District in the Pardubi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Miroslav Hajn
Miroslav Hajn (21 September 1894 in Žamberk, Austria-Hungary – 6 September 1963 in Prague, Czechoslovakia) was a chief designer at ČKD-Praga, one of the largest engineering companies in the former Czechoslovakia and today's Czech Republic. Hajn was first a founder and chief designer at Avia, along with Pavel Beneš, in 1919. The two began repairing planes in a workshop within the complex of an old sugar factory in Prague. One year later, they designed their first two-seater plane, the Avia BH-1. From 1923 to 1925, the two developed the Avia BH-7, BH-9, and BH-11 monoplanes, launching the era of biplane fighters. The BH-11 won the Coppa d' Italia prize. Three years later, their Avia BH-21 fighter was considered one of the world's best planes. In 1930, Hajn and Beneš came to ČKD-Praga. The first aircraft they designed was the Praga E-39 Praga E-39/BH-39 was a Czechoslovak trainer aircraft. History This aircraft was designed by Pavel Beneš and Miroslav Hajn, engine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Biplane
A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While a biplane wing structure has a structural advantage over a monoplane, it produces more drag than a monoplane wing. Improved structural techniques, better materials and higher speeds made the biplane configuration obsolete for most purposes by the late 1930s. Biplanes offer several advantages over conventional cantilever monoplane designs: they permit lighter wing structures, low wing loading and smaller span for a given wing area. However, interference between the airflow over each wing increases drag substantially, and biplanes generally need extensive bracing, which causes additional drag. Biplanes are distinguished from tandem wing arrangements, where the wings are placed forward and aft, instead of above and below. The term is also ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fighter Aircraft
Fighter aircraft are fixed-wing military aircraft designed primarily for air-to-air combat. In military conflict, the role of fighter aircraft is to establish air superiority of the battlespace. Domination of the airspace above a battlefield permits bombers and attack aircraft to engage in tactical and strategic bombing of enemy targets. The key performance features of a fighter include not only its firepower but also its high speed and maneuverability relative to the target aircraft. The success or failure of a combatant's efforts to gain air superiority hinges on several factors including the skill of its pilots, the tactical soundness of its doctrine for deploying its fighters, and the numbers and performance of those fighters. Many modern fighter aircraft also have secondary capabilities such as ground attack and some types, such as fighter-bombers, are designed from the outset for dual roles. Other fighter designs are highly specialized while still filling the main ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Luftwaffe
The ''Luftwaffe'' () was the aerial-warfare branch of the German '' Wehrmacht'' before and during World War II. Germany's military air arms during World War I, the '' Luftstreitkräfte'' of the Imperial Army and the '' Marine-Fliegerabteilung'' of the Imperial Navy, had been disbanded in May 1920 in accordance with the terms of the 1919 Treaty of Versailles which banned Germany from having any air force. During the interwar period, German pilots were trained secretly in violation of the treaty at Lipetsk Air Base in the Soviet Union. With the rise of the Nazi Party and the repudiation of the Versailles Treaty, the ''Luftwaffe''s existence was publicly acknowledged on 26 February 1935, just over two weeks before open defiance of the Versailles Treaty through German rearmament and conscription would be announced on 16 March. The Condor Legion, a ''Luftwaffe'' detachment sent to aid Nationalist forces in the Spanish Civil War, provided the force with a valuable testin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Propeller (aircraft)
An aircraft propeller, also called an airscrew,Beaumont, R.A.; ''Aeronautical Engineering'', Odhams, 1942, Chapter 13, "Airscrews". converts rotary motion from an engine or other power source into a swirling slipstream which pushes the propeller forwards or backwards. It comprises a rotating power-driven hub, to which are attached several radial airfoil-section blades such that the whole assembly rotates about a longitudinal axis. The blade pitch may be fixed, manually variable to a few set positions, or of the automatically variable "constant-speed" type. The propeller attaches to the power source's driveshaft either directly or through reduction gearing. Propellers can be made from wood, metal or composite materials. Propellers are most suitable for use at subsonic airspeeds generally below about , although supersonic speeds were achieved in the McDonnell XF-88B experimental propeller-equipped aircraft. Supersonic tip-speeds are used in some aircraft like the Tupolev Tu-95 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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