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U-27
U27 may refer to: Naval vessels * * , various vessels * , a sloop of the Royal Navy * ''U-27''-class submarine (Austria-Hungary) of the Austro-Hungarian Navy ** , the lead boat of the class Other uses * Cessna U-27 Caravan, an American utility aircraft * Rhombicosidodecahedron In geometry, the rhombicosidodecahedron is an Archimedean solid, one of thirteen convex isogonal nonprismatic solids constructed of two or more types of regular polygon faces. It has a total of 62 faces: 20 regular triangular faces, 30 square f ... * Small nucleolar RNA SNORD27 {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
U-27-class Submarine (Austria-Hungary)
The ''U-27'' class was a ship class, class of eight submarines or U-boats built for and operated by the Austro-Hungarian Navy ( or ) during World War I. The class was based upon the German Type UB II submarine, German Type UB II design of the German Imperial Navy and was constructed under license in Austria-Hungary. After the Austro-Hungarian Navy had filled its most urgent needs for submarines after the outbreak of World War I, they selected the German Type UB II design for its next group of submarines in mid 1915. Orders for the first six boats were placed in October 1915 with the Austrian firm of Cantiere Navale Triestino and the Hungarian firm of Ganz Danubius. Two more boats were ordered in 1916, bringing the class total to eight. The boats were just over long and were armed with two bow torpedo tubes, a deck gun, and a machine gun. For propulsion they were equipped with twin diesel engines for surface running and twin electric motors for subsurface movement. Although the cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cessna U-27 Caravan
The Cessna 208 Caravan is a utility aircraft produced by Cessna. The project was commenced on November 20, 1981, and the prototype first flew on December 9, 1982. The production model was certified by the FAA in October 1984 and its Cargomaster freighter variant was developed for FedEx. The longer 208B Super Cargomaster first flew in 1986 and was developed into the passenger 208B Grand Caravan. The strutted, high wing 208 typically seats nine passengers in its unpressurized cabin, is powered by a single Pratt & Whitney Canada PT6A tractor turboprop and has a fixed tricycle landing gear, floats, or skis. By 2022, 3,000 had been delivered and 24 million flight hours have been logged. Caravans have been used for flight training, commuter airlines, VIP transport, air cargo, skydiving and humanitarian missions. Development On November 20, 1981, the project was given a go-ahead by Cessna for its Pawnee engineering facility. John Berwick, chief engineer at Pawnee, conce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhombicosidodecahedron
In geometry, the rhombicosidodecahedron is an Archimedean solid, one of thirteen convex isogonal nonprismatic solids constructed of two or more types of regular polygon faces. It has a total of 62 faces: 20 regular triangular faces, 30 square faces, 12 regular pentagonal faces, with 60 vertices, and 120 edges. Names Johannes Kepler in ''Harmonices Mundi'' (1618) named this polyhedron a ''rhombicosidodecahedron'', being short for ''truncated icosidodecahedral rhombus'', with ''icosidodecahedral rhombus'' being his name for a rhombic triacontahedron. There are different truncations of a rhombic triacontahedron into a topological rhombicosidodecahedron: Prominently its rectification (left), the one that creates the uniform solid (center), and the rectification of the dual icosidodecahedron (right), which is the core of the dual compound. Dimensions For a rhombicosidodecahedron with edge length ''a'', its surface area and volume are: :\begin A &= \left(30+5\sqrt+3\sqrt\right) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
