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Hans Jacobs
Hans Jacobs (30 April 1907 in Hamburg - 24 October 1994) was a German sailplane designer and pioneer. He had been taught sailplane design by Alexander Lippisch, designer of many gliders during the 1920s and the 1930s. As the head of the ''Deutsche Forschungsanstalt für Segelflug'' (DFS - German Research Institute for Sailplane Flight) at Darmstadt in the years before World War II, he was responsible for a number of highly successful designs, including the DFS Rhönsperber, DFS Rhönadler, DFS Habicht, DFS Weihe, DFS Kranich, and the DFS 230 assault glider. Hans also designed a glider-seaplane, the "Sea Eagle", test flown by Hanna Reitsch.Reitsch, H., 1955, The Sky My Kingdom, London: Biddles Limited, Guildford and King's Lynn, In 1936, Hans developed self-operating dive brakes, on the upper and lower surface of each wing, for gliders. He designed the DFS 230 used in the Battle of Fort Eben-Emael. The DFS Olympia Meise was selected in 1939 as the glider for the 1940 Summ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hamburg
(male), (female) en, Hamburger(s), Hamburgian(s) , timezone1 = Central (CET) , utc_offset1 = +1 , timezone1_DST = Central (CEST) , utc_offset1_DST = +2 , postal_code_type = Postal code(s) , postal_code = 20001–21149, 22001–22769 , area_code_type = Area code(s) , area_code = 040 , registration_plate = , blank_name_sec1 = GRP (nominal) , blank_info_sec1 = €123 billion (2019) , blank1_name_sec1 = GRP per capita , blank1_info_sec1 = €67,000 (2019) , blank1_name_sec2 = HDI (2018) , blank1_info_sec2 = 0.976 · 1st of 16 , iso_code = DE-HH , blank_name_sec2 = NUTS Region , blank_info_sec2 = DE6 , website = , footnotes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DFS Olympia Meise
The DFS Olympia Meise (German: "Olympic Titmouse") was a German sailplane designed by the Deutsche Forschungsanstalt für Segelflug (DFS) for Olympic competition, based on the DFS Meise. Design and development After the Olympic games in Berlin in 1936 introduced gliding as an Olympic sport, plans were made to fly the 1940 Olympic championships with a standard design of sailplane to give each pilot the same chances. The Meise was redesigned to fit into the new Olympic class specifications. The new 'Olympia' Meise had the prescribed wingspan of 15 m (49 ft 2 in), spoilers, but no flaps, and an undercarriage consisting of a skid and a non-retractable wheel. The pilot sat all-enclosed in an aerodynamically clean fuselage made of laminated wood and topped by an acrylic glass hood. The plane could be launched by winch as well by towplane. Its wood-and-fabric construction made it easy for flying clubs to maintain, to repair and even to build the gliders from kits. A design cont ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1907 Births
Nineteen or 19 may refer to: * 19 (number), the natural number following 18 and preceding 20 * one of the years 19 BC, AD 19, 1919, 2019 Films * ''19'' (film), a 2001 Japanese film * ''Nineteen'' (film), a 1987 science fiction film Music * 19 (band), a Japanese pop music duo Albums * ''19'' (Adele album), 2008 * ''19'', a 2003 album by Alsou * ''19'', a 2006 album by Evan Yo * ''19'', a 2018 album by MHD * ''19'', one half of the double album ''63/19'' by Kool A.D. * '' Number Nineteen'', a 1971 album by American jazz pianist Mal Waldron * ''XIX'' (EP), a 2019 EP by 1the9 Songs * "19" (song), a 1985 song by British musician Paul Hardcastle. * "Nineteen", a song by Bad4Good from the 1992 album '' Refugee'' * "Nineteen", a song by Karma to Burn from the 2001 album ''Almost Heathen''. * "Nineteen" (song), a 2007 song by American singer Billy Ray Cyrus. * "Nineteen", a song by Tegan and Sara from the 2007 album '' The Con''. * "XIX" (song), a 2014 song by S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
German Aerospace Engineers
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DFS 331
The DFS 331 was a transport glider prototype developed in a collaboration between DFS and Gotha. It was a twenty-seat troop transport designed by Hans Jacobs, who had previously produced the successful, nine seat DFS 230. The visibility from the cockpit was good, with the entire nose being glazed, and the body was very wide, allowing it to carry light Flak guns and small military vehicles. A single prototype was built and flown in 1941. The project was passed over in favour of the Gotha Go 242 The Gotha Go 242 was a transport glider used by the ''Luftwaffe'' during World War II. It was an upgrade over the DFS 230 in both cargo/troop capacity and flight characteristics. It saw limited combat action. There were multiple variants. Deve .... Specifications See also References Further reading * {{RLM aircraft designations 1930s German military transport aircraft Glider aircraft World War II transport aircraft of Germany DFS 331 Aircraft first flown in 1942 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DFS Olympia
The DFS Olympia Meise (German: "Olympic Titmouse") was a German sailplane designed by the Deutsche Forschungsanstalt für Segelflug (DFS) for Olympic competition, based on the DFS Meise. Design and development After the Olympic games in Berlin in 1936 introduced gliding as an Olympic sport, plans were made to fly the 1940 Olympic championships with a standard design of sailplane to give each pilot the same chances. The Meise was redesigned to fit into the new Olympic class specifications. The new 'Olympia' Meise had the prescribed wingspan of 15 m (49 ft 2 in), spoilers, but no flaps, and an undercarriage consisting of a skid and a non-retractable wheel. The pilot sat all-enclosed in an aerodynamically clean fuselage made of laminated wood and topped by an acrylic glass hood. The plane could be launched by winch as well by towplane. Its wood-and-fabric construction made it easy for flying clubs to maintain, to repair and even to build the gliders from kits. A design cont ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DFS Reiher
The DFS Reiher (in English ''Heron'') was a single seat competition glider designed in Germany by Hans Jacobs and first flown in 1937. The type won the last two German Rhön gliding championships before the start of World War II. Six were factory produced. Design and development In 1935 Hans Jacobs had been asked by Alexander Lippisch to become chief designer of sailplanes at the nationalised Deutsche Forschungsanstalt für Segelflug (DFS) at Darmstadt, after the closure of the RRG ( Rhön-Rossitten Gesellschaft) on the Wasserkuppe in 1933. In 1936 there was more recognition of the need for fast gliders with high wing loading and low camber to fare better in competitions by moving quickly between strong thermals; the hope was that camber-changing flaps would enhance lift in the climb. The Reiher was Jacobs' attempt to build these qualities into a new sailplane, using all the DFS design and prototype production facilities and skills. It was an all-wood aircraft with a mid-m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DFS Sperber Junior
The DFS Sperber Junior ( en, Hawk Junior) was a competition sailplane designed for Hanna Reitsch and built in Germany in 1936. Design and development The Sperber Junior, was designed as a development of the Rhönsperber for Hanna Reitsch by Hans Jacobs. It had much in common with his other Rhönsperber development, the Sperber Senior, though the latter was intended for large pilots. Reitsch's small and light frame allowed a narrower cockpit than in the Senior in a revised, more slender forward fuselage, a tight fit for her and too small for her contemporaries. This increased the fuselage length, though the span was less. A different airfoil section, the same as on the Rhönsperber, was used and the gull wing was more pronounced with airbrakes on the inner wing. It was a shoulder wing aircraft with a double straight tapered gull wing, built around two spars and fabric covered apart from the leading edge from the front spar forward and the wing roots, which were ply ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DFS Sperber Senior
The DFS Sperber Senior ( en, Hawk Senior) was a competition sailplane designed and built in Germany in 1936. During 1937 the sole example visited the United States and scored highest in the US National Soaring Competition. Design and development Although nominally a development of his earlier DFS Rhönsperber, Hans Jacobs' Sperber Senior was a completely new design intended to improve on the performance of its predecessor and to accommodate larger pilots. It was a shoulder wing aircraft with a double straight tapered gull wing, built around two spars and fabric covered apart from the leading edge from the front spar forward and the wing roots, which were plywood skinned. The wing roots were carefully faired into the fuselage. The inner panels, filling about one third of the span had only slight taper, the sweep entirely on the trailing edge, and about 10° of dihedral. Outboard the taper was much stronger, with a taper ratio of 0.45. Here the leading edge was slightly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schleicher Rhönbussard
The Schleicher Rhönbussard, otherwise known as the DFS Rhönbussard was intended as an intermediate glider trainer which could also fly competitively. It was designed by Hans Jacobs in Germany in the early 1930s. More than 200 were built. Design and development By the early 1930s a large performance, size and cost gap had been opened between the kind of glider in which people learned to soar and make cross country flights, like the Grunau Baby, and the best sailplanes like the Schleicher Rhönadler. In 1932 the glider manufacturer Alexander Schleicher went to Hans Jacobs, then at the RRG (Rhön-Rossitten Gesellschaft) on the Wasserkuppe, to seek a design for a glider more advanced than the Baby but smaller, cheaper and easier to fly than Jacobs' Rhönadler. The result was the Rhönbussard (in English, the Rhön Buzzard). Since it was later produced at the Schleicher works, it is often attributed to them but in 1933 the RRG was replaced by the state owned DFS (Deutsche ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schleicher Poppenhausen
The Schleicher Poppenhausen named after the town of Poppenhausen (which is near the Wasserkuppe where Schleicher built and flew his gliders) was a two-seat glider, available as a dual control advanced trainer, produced in Germany from 1928. Design and development The Poppenhausen was an enlarged, tandem two-seat version of the single seat Schleicher Hols der Teufel. It was developed by Alexander Schleicher for production in his factory in the Wasserkuppe valley, though it is likely that Hans Jacobs, joint chief designer with Alexander Lippisch of the single seater was involved. The Poppenhausen first flew in 1928. The Poppenhausen had a simple, constant- chord wing much like that of the Hols der Teufel though of 16% greater span, built around two spars and fabric covered except at the leading edge which was plywood skinned. Its broad, constant chord ailerons were longer than those of the Hols der Teufel, ending at the blunt, rounded tips. The wing was supported over th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jacobs Hols Der Teufel
The Jacobs Hols der Teufel ( en, Devil take it) was a single seat training aircraft, trainer glider (sailplane), glider produced in complete and plan forms in Germany from 1928. It was built and used worldwide. Design and development The first glider to be named the Hols der Teufel was the influential Djävaler Anamma, designed by Alexander Lippisch in 1923. The name was associated with the cursing of two Sweden, Swedish students in the Wasserkuppe workshops whose favourite phrase it was. It translates into German as Hols der Teufel. Its key structural feature was an A-frame which carried wire braced wings and linked to a flat girder rear fuselage. It later evolved through the Schneider Grunau 9 into the very popular Zögling, which avoided the controversial "skullsplitter" forward member of the A-frame with a vertical strut behind the pilot, and was related to the secondary RRG Prüfling glider that replaced wire bracing with rigid lift struts. The next machine to be named Hol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
