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Skif Skif-A
The Skif Skif-A is a Ukrainian single-place paraglider that was designed by Sergei Rozhko and produced by Skif Paragliding Skif Paragliding is a Ukraine, Ukrainian aircraft manufacturer founded by Sergei Rozhko in 1993 and based in Feodosia. The company specializes in the design and manufacture of paragliders in the form of ready-to-fly aircraft, and also runs a parag ... of Feodosia. It is now out of production.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 30. Pagefast Ltd, Lancaster OK, 2003. Design and development The aircraft was designed as a beginner and intermediate glider. The models are each named for their approximate wing area in square metres. Variants ;Skif-A 27 :Small-sized model for lighter pilots. Its span wing has a wing area of , 49 cells and the aspect ratio is 5.2:1. The pilot weight range is . ;Skif-A 28 :Mid-sized model for medium-weight pilots. Its span wing has a wing area of , 51 cells and the aspect rati ... [...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 Wikimedia project, 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 Magazine, 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 organization ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WikiProject Aircraft/page Content
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 Magazine, 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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paraglider
Paragliding is the recreational and competitive adventure sport of flying paragliders: lightweight, free-flying, foot-launched Glider (aircraft), glider aircraft with no rigid primary structure. The pilot sits in a :wikt:harness, harness or lies supine in a cocoon-like 'pod' suspended below a fabric wing. Wing shape is maintained by the suspension lines, the pressure of air entering vents in the front of the wing, and the aerodynamic forces of the air flowing over the outside. Despite not using an engine, paraglider flights can last many hours and cover many hundreds of kilometres, though flights of one to two hours and covering some tens of kilometres are more the norm. By skillful exploitation of sources of lift (soaring), lift, the pilot may gain height, often climbing to altitudes of a few thousand metres. History In 1966, Canadian Domina Jalbert was granted a patent for a ''multi-cell wing type aerial device—''"a wing having a flexible canopy constituting an upper s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ukraine
Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian invasion, it was the eighth-most populous country in Europe, with a population of around 41 million people. It is also bordered by Belarus to the north; by Poland, Slovakia, and Hungary to the west; and by Romania and Moldova to the southwest; with a coastline along the Black Sea and the Sea of Azov to the south and southeast. Kyiv is the nation's capital and largest city. Ukraine's state language is Ukrainian; Russian is also widely spoken, especially in the east and south. During the Middle Ages, Ukraine was the site of early Slavic expansion and the area later became a key centre of East Slavic culture under the state of Kievan Rus', which emerged in the 9th century. The state eventually disintegrated into rival regional powers and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Skif Paragliding
Skif Paragliding is a Ukrainian aircraft manufacturer founded by Sergei Rozhko in 1993 and based in Feodosia. The company specializes in the design and manufacture of paragliders in the form of ready-to-fly aircraft, and also runs a paragliding flight training school.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 30. Pagefast Ltd, Lancaster UK, 2003. Rozhko is also the designer of the company's paraglider line. The company flight training operation takes place on Klementyeva Mountain. By 2003, the company was offering a line of paragliders, including the beginner to intermediate Skif-A, the competition Raptor and the two-place BigSkif Bi for flight training. Aircraft Summary of aircraft built by Skif Paragliding: *Skif BigSkif Bi * Skif Phaeton *Skif Raptor * Skif Sarmat *Skif Skif-A The Skif Skif-A is a Ukrainian single-place paraglider that was designed by Sergei Rozhko and produced by Skif Paragliding Skif Paragliding is a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pound Sterling
Sterling (abbreviation: stg; Other spelling styles, such as STG and Stg, are also seen. ISO 4217, ISO code: GBP) is the currency of the United Kingdom and nine of #Crown Dependencies and British Overseas Territories, its associated territories. The Pound (currency), pound (pound sign, sign: £) is the main unit of account, unit of sterling, and the word "pound" is also used to refer to the British currency generally, often qualified in international contexts as the British pound or the pound sterling. Sterling is the world's oldest currency that is still in use and that has been in continuous use since its inception. It is currently the fourth most-traded currency in the foreign exchange market, after the United States dollar, the euro, and the Japanese yen. Together with those three currencies and Renminbi, it forms the basket of currencies which special drawing rights#Value definition, calculate the value of International Monetary Fund, IMF special drawing rights. As of mid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Euro
The euro (symbol: €; code: EUR) is the official currency of 19 out of the member states of the European Union (EU). This group of states is known as the eurozone or, officially, the euro area, and includes about 340 million citizens . The euro is divided into 100 cents. The currency is also used officially by the institutions of the European Union, by four European microstates that are not EU members, the British Overseas Territory of Akrotiri and Dhekelia, as well as unilaterally by Montenegro and Kosovo. Outside Europe, a number of special territories of EU members also use the euro as their currency. Additionally, over 200 million people worldwide use currencies pegged to the euro. As of 2013, the euro is the second-largest reserve currency as well as the second-most traded currency in the world after the United States dollar. , with more than €1.3 trillion in circulation, the euro has one of the highest combined values of banknotes and coins in c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paraglider
Paragliding is the recreational and competitive adventure sport of flying paragliders: lightweight, free-flying, foot-launched Glider (aircraft), glider aircraft with no rigid primary structure. The pilot sits in a :wikt:harness, harness or lies supine in a cocoon-like 'pod' suspended below a fabric wing. Wing shape is maintained by the suspension lines, the pressure of air entering vents in the front of the wing, and the aerodynamic forces of the air flowing over the outside. Despite not using an engine, paraglider flights can last many hours and cover many hundreds of kilometres, though flights of one to two hours and covering some tens of kilometres are more the norm. By skillful exploitation of sources of lift (soaring), lift, the pilot may gain height, often climbing to altitudes of a few thousand metres. History In 1966, Canadian Domina Jalbert was granted a patent for a ''multi-cell wing type aerial device—''"a wing having a flexible canopy constituting an upper s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Feodosia
uk, Феодосія, Теодосія crh, Kefe , official_name = () , settlement_type= , image_skyline = THEODOSIA 01.jpg , imagesize = 250px , image_caption = Genoese fortress of Caffa , image_shield = Feodosiya coat of arms.svg , image_flag = Flag_of_feodosia.svg , coordinates = , pushpin_map = Crimea , pushpin_label_position= , pushpin_map_caption= Location of Feodosia within Crimea , subdivision_type = Country , subdivision_name = , subdivision_type1 = Republic , subdivision_name1 = , subdivision_type2 = Municipality , subdivision_name2 = Feodosia Municipality , timezone = MSK , utc_offset = +3 , timezone_DST= , utc_offset_DST= , elevation_m = 50 , population_total = 69145 , population_footnotes= , population_as_of = 2015 , postal_code_type = Postal codes , postal_code = 298100–298175 , area_code = +7-36562 , blank_info ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aspect Ratio (aeronautics)
In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord. It is equal to the square of the wingspan divided by the wing area. Thus, a long, narrow wing has a high aspect ratio, whereas a short, wide wing has a low aspect ratio.Kermode, A.C. (1972), ''Mechanics of Flight'', Chapter 3, (p.103, eighth edition), Pitman Publishing Limited, London Aspect ratio and other features of the planform are often used to predict the aerodynamic efficiency of a wing because the lift-to-drag ratio increases with aspect ratio, improving the fuel economy in powered airplanes and the gliding angle of sailplanes. Definition The aspect ratio \text is the ratio of the square of the wingspan b to the projected wing area S, which is equal to the ratio of the wingspan b to the standard mean chord \text: \text \equiv \frac = \frac Mechanism As a useful simplification, an airplane in flight can be imagined to affect a circular cylinder of air with a diameter equal to t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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