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Flugtechnik Und Leichtbau Eta
The Eta is a German-Italian Open Class two-seater flapped self-launching glider manufactured by ETA Aircraft. On introduction it was the highest performing glider. Early flights The Eta made its first flight on July 31, 2000 in Cochstedt, Germany, reaching a height of . The second flight was the first aerotow launch, reaching . The third flight was self powered and had no problems. The official presentation was on 1 August. Production Three Etas have been manufactured. The second prototype was extensively damaged in 2003 during the spin tests required for the type certification but both pilots parachuted to safety. The prototype was repaired and the tests completed successfully. The glider was to be produced by hand at a rate of about three per year. Development The Eta is an example of a trend in glider development in which private pilots initiate the development of new open class gliders. The private development of the Concordia sailplane promises a further elevation o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WikiProject Aircraft
A WikiProject, or Wikiproject, is a Wikimedia movement affinity group for contributors with shared goals. WikiProjects are prevalent within the largest wiki, Wikipedia, and exist to varying degrees within sister projects such as Wiktionary, Wikiquote, Wikidata, and Wikisource. They also exist in different languages, and translation of articles is a form of their collaboration. During the COVID-19 pandemic, CBS News noted the role of Wikipedia's WikiProject Medicine in maintaining the accuracy of articles related to the disease. Another WikiProject that has drawn attention is WikiProject Women Scientists, which was profiled by '' Smithsonian'' for its efforts to improve coverage of women scientists which the profile noted had "helped increase the number of female scientists on Wikipedia from around 1,600 to over 5,000". On Wikipedia Some Wikipedia WikiProjects are substantial enough to engage in cooperative activities with outside organizations relevant to the field at issue. For e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Concordia (glider)
Concordia may refer to: * Concordia (mythology), the Roman goddess who embodies agreement in marriage and society Businesses and organizations Educational institutions * Concordia University (other), for Concordia University, Concordia College and Concordia Seminary * Concordia Academy (other) * Concordia High School (other) * Concordia Lutheran High School (other) * Concordia International School Shanghai, in Pudong, China * Concordia Junior-Senior High School, Concordia, Kansas * Concordia Language Villages, a world-language and culture education program * Concordia Normal School (closed 1878) * Great Western Business and Normal College, or Concordia Normal School and Business College, or Concordia Business College, in Concordia, Kansas, U.S. (closed 1930s) Other businesses and organizations * Concordia Association of Manchukuo, a 1930s–1940s political party * Concordia Healthcare, now Advanz Pharma * Concordia Publishing House, LCMS ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2000s German Sailplanes
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 complica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Binder EB29
The Binder EB29 is a German single-seat, open-class self-launching powered sailplane designed and built by Binder Motorenbau Binder may refer to: Businesses * Binder FBM, a former German jewelry manufactory * Binder Dijker Otte & Co., the expansion of "BDO" in BDO International Computing * Binder Project, package and share interactive, reproducible environments * Fi .... Its wings are based on those of the earlier EB28, while the fuselage is newly designed.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 142. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X Variants Originally being available with 28.3 and 29.3 m wing extensions, since March 2011 25.3 m wing extensions are available. Specifications (29m variant) References 2000s German sailplanes EB29 Motor gliders Aircraft first flown in 2009 {{aero-2000s-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Piston Engine
A reciprocating engine, also often known as a piston engine, is typically a heat engine that uses one or more reciprocating pistons to convert high temperature and high pressure into a rotating motion. This article describes the common features of all types. The main types are: the internal combustion engine, used extensively in motor vehicles; the steam engine, the mainstay of the Industrial Revolution; and the Stirling engine for niche applications. Internal combustion engines are further classified in two ways: either a spark-ignition (SI) engine, where the spark plug initiates the combustion; or a compression-ignition (CI) engine, where the air within the cylinder is compressed, thus heating it, so that the heated air ignites fuel that is injected then or earlier.''Thermodynamics: An Engineering Approach'' by Yunus A. Cengal and Michael A. Boles Common features in all types There may be one or more pistons. Each piston is inside a cylinder, into which a gas is intro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Two Stroke
A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of the crankshaft. A four-stroke engine requires four strokes of the piston to complete a power cycle during two crankshaft revolutions. In a two-stroke engine, the end of the combustion stroke and the beginning of the compression stroke happen simultaneously, with the intake and exhaust (or scavenging) functions occurring at the same time. Two-stroke engines often have a high power-to-weight ratio, power being available in a narrow range of rotational speeds called the power band. Two-stroke engines have fewer moving parts than four-stroke engines. History The first commercial two-stroke engine involving cylinder compression is attributed to Scottish engineer Dugald Clerk, who patented his design in 1881. However, unlike most later two-st ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Straight Engine
The straight or inline engine is an internal combustion engine with all cylinders aligned in one row and having no offset. Usually found in four, six and eight cylinder configurations, they have been used in automobiles, locomotives and aircraft, although the term in-line has a broader meaning when applied to aircraft engines, see Inline engine (aviation). Design A straight engine is considerably easier to build than an otherwise equivalent horizontally opposed or V engine, because both the cylinder bank and crankshaft can be milled from a single metal casting, and it requires fewer cylinder heads and camshafts. In-line engines are also smaller in overall physical dimensions than designs such as the radial, and can be mounted in any direction. Straight configurations are simpler than their V-shaped counterparts. Although six-cylinder engines are inherently balanced, the four-cylinder models are inherently off balance and rough, unlike 90-degree V fours and horizontally oppos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wing Loading
In aerodynamics, wing loading is the total mass of an aircraft or flying animal divided by the area of its wing. The stalling speed of an aircraft in straight, level flight is partly determined by its wing loading. An aircraft or animal with a low wing loading has a larger wing area relative to its mass, as compared to one with a high wing loading. The faster an aircraft flies, the more lift can be produced by each unit of wing area, so a smaller wing can carry the same mass in level flight. Consequently, faster aircraft generally have higher wing loadings than slower aircraft. This increased wing loading also increases takeoff and landing distances. A higher wing loading also decreases maneuverability. The same constraints apply to winged biological organisms. Range of wing loadings Effect on performance Wing loading is a useful measure of the stalling speed of an aircraft. Wings generate lift owing to the motion of air around the wing. Larger wings move more air, so an a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Janusz Centka
Janusz Centka (born 20 April 1950, in Tonowo) is a Polish glider pilot who has won two European and three World Gliding Championships.FAI IGC pilot ranking: Janusz Centka , – accessed 2008-02-02 In 2002 he established a world record in speed over a triangular course of 1000 km (144.95 km/h) in the [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leszno
Leszno (german: Lissa, 1800–1918 ''Lissa in Posen'') is a historic city in western Poland, within the Greater Poland Voivodeship. It is the seventh-largest city in the province with an estimated population of 62,200, as of 2021. Previously, it was the capital of the Leszno Voivodeship (1975–1998) and is now the seat of Leszno County. History Early history The city's unrecorded history dates to the 13th century. It was first mentioned in historical documents in 1393, when the estate was the property of a noble named Stefan Karnin- Wieniawa. The family eventually adopted the name Leszczyński (literal meaning "of Leszno"), derived from the name of their estate, as was the custom among the Polish nobility. 16th–18th centuries In around 1516, a community of Protestants known as the Unity of the Brethren (''Unitas fratrum'') were expelled from the Bohemian lands by King Vladislaus II and settled in Leszno. They were invited by the Leszczyński family, imperial counts since ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lift-to-drag Ratio
In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic drag caused by moving through air. It describes the aerodynamic efficiency under given flight conditions. The L/D ratio for any given body will vary according to these flight conditions. For an aerofoil wing or powered aircraft, the L/D is specified when in straight and level flight. For a glider it determines the glide ratio, of distance travelled against loss of height. The term is calculated for any particular airspeed by measuring the lift generated, then dividing by the drag at that speed. These vary with speed, so the results are typically plotted on a 2-dimensional graph. In almost all cases the graph forms a U-shape, due to the two main components of drag. The L/D may be calculated using computational fluid dynamics or computer simulation. It is measured empirically by testing in a wind tunnel or in free flight te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bruno Gantenbrink Nimeta D-KGYY
Bruno may refer to: People and fictional characters *Bruno (name), including lists of people and fictional characters with either the given name or surname * Bruno, Duke of Saxony (died 880) * Bruno the Great (925–965), Archbishop of Cologne, Duke of Lotharingia and saint * Bruno (bishop of Verden) (920–976), German Roman Catholic bishop * Pope Gregory V (c. 972–999), born Bruno of Carinthia * Bruno of Querfurt (c. 974–1009), Christian missionary bishop, martyr and saint * Bruno of Augsburg (c. 992–1029), Bishop of Augsburg * Bruno (bishop of Würzburg) (1005–1045), German Roman Catholic bishop * Pope Leo IX (1002–1054), born Bruno of Egisheim-Dagsburg * Bruno II (1024–1057), Frisian count or margrave * Bruno the Saxon (fl. 2nd half of the 11th century), historian * Saint Bruno of Cologne (d. 1101), founder of the Carthusians * Bruno (bishop of Segni) (c. 1045–1123), Italian Roman Catholic bishop and saint * Bruno (archbishop of Trier) (died 1124), German Roman ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
