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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] |
Žamberk
Žamberk (; german: Senftenberg in Böhmen) is a town in Ústí nad Orlicí District in the Pardubice Region of the Czech Republic. It has about 6,000 inhabitants. In lies on the Divoká Orlice river. The town centre is well preserved and is protected by law as an urban monument zone. Administrative parts Žamberk is made up of one administrative part. History Žamberk was founded in the second half of the 13th century, during the colonization of this region. It predecessor was a Slavic settlement on the trade route from Moravia to Kłodzko Land. The first written mention of Žamberk is from 1332 under its German name Senftenberg. Soon after, the Czech name began to be used, which testifies to the majority of the Czech population. In the middle of the 14th century, Žamberk was divided between the estates of Litice and Žampach with different owners. As a part of the Litice estate, it was owned by the Pernštejn family and Ernest of Bavaria. In 1563, it was acquired by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avia BH-11
__NOTOC__ The Avia BH-11 was a two-seat sport aircraft built in Czechoslovakia in 1923, a further development of the Avia BH-9. The main changes in this version involved a redesign of the forward fuselage. 15 examples were ordered by the Czechoslovakian Army as trainers and general liaison aircraft, and operated under the military designation B.11. Six years after the BH-11 first flew, a new version was produced for the civil market as the BH-11B Antelope. This replaced the original Walter NZ 60 45 kW (60 hp) engine with a Walter Vega of 63 kW (85 hp) and was built in small numbers. As a further development, the BH-11C retained the original engine but the wingspan was increased by 1.4 m (4 ft 6 in). A BH-11A and a BH-11C are preserved at the Prague Aviation Museum, Kbely Kbely Aviation Museum (''Letecké Muzeum Kbely'') is the largest aviation museum in the Czech Republic and one of the largest of its kind in Europe. It is located to the n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aviation Inventors
Aviation includes the activities surrounding mechanical flight and the aircraft industry. ''Aircraft'' includes fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air craft such as hot air balloons and airships. Aviation began in the 18th century with the development of the hot air balloon, an apparatus capable of atmospheric displacement through buoyancy. Some of the most significant advancements in aviation technology came with the controlled gliding flying of Otto Lilienthal in 1896; then a large step in significance came with the construction of the first powered airplane by the Wright brothers in the early 1900s. Since that time, aviation has been technologically revolutionized by the introduction of the jet which permitted a major form of transport throughout the world. Etymology The word ''aviation'' was coined by the French writer and former naval officer Gabriel La Landelle in 1863. He derived the term from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Czech Aerospace Engineers
Czech may refer to: * Anything from or related to the Czech Republic, a country in Europe ** Czech language ** Czechs, the people of the area ** Czech culture ** Czech cuisine * One of three mythical brothers, Lech, Czech, and Rus' Places *Czech, Łódź Voivodeship, Poland *Czechville, Wisconsin, unincorporated community, United States People * Bronisław Czech (1908–1944), Polish sportsman and artist * Danuta Czech (1922–2004), Polish Holocaust historian * Hermann Czech (born 1936), Austrian architect * Mirosław Czech (born 1968), Polish politician and journalist of Ukrainian origin * Zbigniew Czech (born 1970), Polish diplomat See also * Čech, a surname * Czech lands * Czechoslovakia * List of Czechs * * * Czechoslovak (other) * Czech Republic (other) * Czechia (other) Czechia is the official short form name of the Czech Republic. Czechia may also refer to: * Historical Czech lands *Czechoslovakia (1918–1993) *Czech Socialist Repu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1963 Deaths
Events January * January 1 – Bogle–Chandler case: Commonwealth Scientific and Industrial Research Organisation scientist Dr. Gilbert Bogle and Mrs. Margaret Chandler are found dead (presumed poisoned), in bushland near the Lane Cove River, Sydney, Australia. * January 2 – Vietnam War – Battle of Ap Bac: The Viet Cong win their first major victory. * January 9 – A total penumbral lunar eclipse is visible in the Americas, Europe, Africa, and Asia, and is the 56th lunar eclipse of Lunar Saros 114. Gamma has a value of −1.01282. It occurs on the night between Wednesday, January 9 and Thursday, January 10, 1963. * January 13 – 1963 Togolese coup d'état: A military coup in Togo results in the installation of coup leader Emmanuel Bodjollé as president. * January 17 – A last quarter moon occurs between the penumbral lunar eclipse and the annular solar eclipse, only 12 hours, 29 minutes after apogee. * January 19 – Soviet spy Gheorghe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1894 Births
Events January–March * January 4 – A military alliance is established between the French Third Republic and the Russian Empire. * January 7 – William Kennedy Dickson receives a patent for motion picture film in the United States. * January 9 – New England Telephone and Telegraph installs the first battery-operated telephone switchboard, in Lexington, Massachusetts. * February 12 ** French anarchist Émile Henry sets off a bomb in a Paris café, killing one person and wounding twenty. ** The barque ''Elisabeth Rickmers'' of Bremerhaven is wrecked at Haurvig, Denmark, but all crew and passengers are saved. * February 15 ** In Korea, peasant unrest erupts in the Donghak Peasant Revolution, a massive revolt of followers of the Donghak movement. Both China and Japan send military forces, claiming to come to the ruling Joseon dynasty government's aid. ** At 04:51 GMT, French anarchist Martial Bourdin dies of an accidental detonation of his ow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Praga E-39
Praga E-39/BH-39 was a Czechoslovak trainer aircraft. History This aircraft was designed by Pavel Beneš and Miroslav Hajn, engineers at the Czech aviation company ČKD-Praga in 1931. It flew for the first time in June of that year. The biplane, standard configuration for that era, was an immediate success and orders were placed by the Czechoslovak Air Force that used them as elementary training aircraft at its flight schools throughout the 1930s. Pre-World War II production of the machine was 139 units. In 1939 following the German occupation of Bohemia and Moravia, Slovakia became an independent country. It was a German ally and its small air force was placed under Luftwaffe control. Ten of the Praga E-39s were initially used as trainers by the Slovak Air Force. During the German invasion of the Soviet Union they were transferred to the Soviet front where they were employed by the Slovaks as reconnaissance platforms in support of German ground forces. Other E-39s were used by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avia BH-21
The Avia BH-21, first flown in 1925, was a robust biplane that served an important role in securing Czechoslovak national security during the period between World War I and World War II. As well as being a competent fighter, it was also an accomplished racer, winning several air races in 1925. Development The Avia BH-17, a conventional biplane which was the predecessor of the BH-21, was designed by Pavel Beneš and Miroslav Hajn in 1922 as a response to a Czechoslovak Defense Department requirement for a new fighter aircraft. The BH-17 was one of three biplanes amongst the five Avia designs submitted to the Defense Department, along with competing designs from the Letov Kbely and Aero companies. After an extensive review, the BH-17 was chosen and limited production initiated for evaluative purposes. Testing revealed some deficiencies in the BH-17 and a subsequent redesign in 1924 morphed the BH-17 into its final form as the BH-21, which included straightened interplane braci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coppa D' Italia
The Children's Online Privacy Protection Act of 1998 (COPPA) is a United States federal law, located at (). The act, effective April 21, 2000, applies to the online collection of personal information by persons or entities under U.S. jurisdiction about children under 13 years of age, including children outside the U.S. if the website or service is U.S.-based. It details what a website operator must include in a privacy policy, when and how to seek verifiable consent from a parent or guardian, and what responsibilities an operator has to protect children's privacy and safety online, including restrictions on the marketing of those under 13. Although children under 13 can legally give out personal information with their parents' permission, many websites—particularly social media sites, but also other sites that collect most personal info—disallow children under 13 from using their services altogether due to the cost and work involved in complying with the law. Backgr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avia BH-9
__NOTOC__ The Avia BH-9 was a twin-seat sports plane built in Czechoslovakia in 1923, based on the BH-5. As with other developments in the BH-1 lineage, the BH-9 was a low-wing braced monoplane that accommodated the pilot and passenger in tandem, open cockpits. The BH-9's structure was strengthened to allow the use of a higher-power engine than in its predecessors, and for the first time, this was a domestically-produced powerplant. Although built as a twin-seat aircraft at least one (registration L-BONF - see picture) was converted to a single-seater. The Czechoslovakian Army showed interest in it as a trainer and liaison aircraft, and ordered ten examples under the designation B.9. A B.9 won the 1925 Coppa d'Italia air race, and the following year, one was flown on a 1,800 km (1,100 mi) circuit Prague-Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, most populous city of France, with an estimated popu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Austria-Hungary
Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of 1867 in the aftermath of the Austro-Prussian War and was dissolved shortly after its defeat in the First World War. Austria-Hungary was ruled by the House of Habsburg and constituted the last phase in the constitutional evolution of the Habsburg monarchy. It was a multinational state and one of Europe's major powers at the time. Austria-Hungary was geographically the second-largest country in Europe after the Russian Empire, at and the third-most populous (after Russia and the German Empire). The Empire built up the fourth-largest machine building industry in the world, after the United States, Germany and the United Kingdom. Austria-Hungary also became the world's third-largest manufacturer and exporter of electric home appliances, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Avia BH-7
__NOTOC__ The Avia BH-7 was a prototype fighter aircraft built in Czechoslovakia in 1923. It was a parasol-wing monoplane developed in tandem with, and as an alternative to the BH-6, which shared its fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraf ... and tail design. Like the BH-6, the BH-7 was involved in a number of serious crashes during its test programme, which led to its abandonment as a fighter. Undaunted, however, Avia used the design as the basis for a racing aircraft, shortening the wingspan by 1.4 m (4 ft 7 in), fairing the wing directly onto the top of the fuselage and dispensing with the cabane struts. This revised version was designated BH-7B and the fighter (retrospectively) as the BH-7A. When the design proved no more successful as a ra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
