As test flights expanded the aircraft's performance envelope, the Ju-390 V1's MTOW was first certified at 75,500kg and later in May 1944 after shedding 5,000kg of equipment was recertified at 80,500kg. The Junkers "double wing", a full-span movable flap/aileron combination was fitted. Ju 90s were also used as tugs for heavy gliders. Junkers Ju 90 prototype D-AALU Der Grosse Dessauer, introduced in 1937. Following the realisation that the Ju-89 programme was about to be abandoned, the Junkers company received permission to use the major components of the third aircraft, Ju-89 V3 (c/n 4913), to develop a transport aircraft for Lufthansa. The Ju-90 was a civilian transport aircraft developed from the experimental Ju-89 strategic bomber design. The landing gear was strengthened with twin main-wheels and the fins were more rounded, lacking the characteristic horn balance nick of the earlier models. Později Luftwaffe, která potřebovala vojenský transportní letoun The development programme resulted in the Ju 290 V1 prototype (works no. The first prototype, the Ju 90 V1 was powered by four Daimler-Benz DB 600C liquid-cooled inverted V engines delivering 820 kW (1,100 hp) each. Junkers decided to use the parts of the unfinished third Ju 89 to build a long-distance airliner, the Ju 90, with a new fuselage. Details about The Original Model: Junkers JU 90-show original title. These components were as used in the Ju 89. Aircraft Wiki is a FANDOM Lifestyle Community. The wings, tail and engines of the Ju 89 were added to a new fuselage to create the Ju 90. Some of the Ju 90s were converted into prototypes of the bigger Ju 290 transport and reconnaissance aircraft. ユンカース Ju 90は、第二次世界大戦の前にルフトハンザ航空が短期間使用した4発の40座席の旅客機である。 Ju 90は、試作以上の段階には進まなかったユンカース Ju 89 爆撃機を基にしており、ドイツ空軍はこの機を専ら軍事輸送に使用した。 大日本帝国陸軍も購入を検討したが実現しなかった。 What is fascinating is that the author not only describes the development of the Junkers aircraft, but also discusses the competition. Deutsche Luft Hansa put a request for a long-distance commercial aircraft as early as 1933. The fuselage was generous by the standards of the time with an internal width of 2.83 m (9 ft 3½ in). Design histories and and comparisons with other Junkers airplanes of the time and the Ju 90's antecedents such as the F13, G24, G38, Ju 52/1M and Ju 52/3M, and Ju 86 are also provided. Since the majority of components for the construction came from elements of the Ju.90 and Ju.290, the first flight of the Ju.390 took place as early as 1943. A British military training film on aircraft recognition produced by Analysis Films Ltd. However, the program was abandoned in 1937 and Junkers used parts designed for the Ju 89 to construct a new civilian type for Lufthansa. Zasnovan je na podlagi preklicanega bombnika Ju 89.. Ju 90 je imel kapaciteto 40 potnikov in dolet okrog 1250 kilometrov. The fourth prototype V4 went into Luftwaffe service in July 1941 fitted with 980 kW (1,320 hp) Jumo 211F/L engines. The Ju 90 V8 became the second prototype Ju 290 V2. Junkers chose the most simple path, enlarge the Ju.290 with six engines. During the war, the Luftwaffe impressed them as military transports. After eight months of flight tests, this prototype broke up on 6 February 1938 during over-speed tests.[1]. Deutsche Luft Hansa carried out the long-distance testing. The Ju 90B series were visually distinctive because of their oval tail fins. [5] The Ju 90 V6 airframe was used in the construction of the Junkers Ju 390 V1. In the end, only 18 Ju 90s of all versions were completed. It is said that this aircraft flew a total of 62,572 km ( mi) in 1938. Junkers Ju 90 là một loại máy bay chở khách 40 chỗ, được phát triển chế tạo tại Đức. Just two survived the war to fall into Allied hands, but both were scrapped soon afterwards. The Junkers 290 was developed directly from the Ju 90 airliner, versions of which had been evaluated for military purposes, and was intended to replace the relatively slow Focke-Wulf Fw 200 Condor which by 1942 was proving increasingly vulnerable when confronted by Royal Air Force aircraft; the Fw 200's airframe lacked sufficient strength for the role in any case. Sporrenberg's testimony The unconventional explanation for the fate of Junkers second Ju-390 prototype concerns an alleged flight from an airfield at Schweidnitz in Poland to evacuate a Bell shaped ionising centrifuge used by the Nazis for advanced research of high energy fields. A second prototype (V2) was delivered to Luft Hansa in May 1938 for testing. The only stipulation from the RLM was the use of a different engine type by subsequant examples, in place of the 960 hp Damiler Benz DB 600 engines originally fitted. Despite these setbacks, Luft Hansa ordered eight of the production type A-1. A reconnaissance prototype aerodynamically similar to the V7, the V8 was armed, however,with two 20 mm MG 151/20 cannons and up to nine 13 mm (.51 in) MG 131 machine guns in two dorsal, one ventral and one tail position. 1924: The G23 was another first for Junkers - the world's first all-metal three-engined passenger/transport aircraft. A bomber version, the A-8, was planned, but never built. Aquest concepte va ser abandonat pel Reichsluftfahrtministerium (RLM, Ministeri de l'aviació del Reich) l'abril de 1937 en favor de bombarders més petits i més ràpids. These were more powerful than both those of its Ju 89 predecessor and of production commercial Ju 90s. It was based on the Junkers Ju 89 bomber, which did not progress beyond prototype stage. The wings were built around five tubular girder spars covered with a smooth stressed skin. The tail units on the prototypes used the traditional Junkers corrugated skin, the only part of the aircraft to do so, abandoning the exposed corrugated skinning on later Ju 90 production models for the Luftwaffe. During the war, the Luftwaffe impressed them as military transports. The Junkers Ju 90 airliner and transport series descended directly from the Ju 89, a contender in the Ural bomber programme aimed at producing a long-range strategic bomber. Potovalna hitrost je bila 320 km/h. de decolagem 33 680 kg (74 300 lb) Performance The Junkers Ju 90 was a 40-seat, four-engine airliner developed for and used by Deutsche Luft Hansa shortly before World War II. It was based on the rejected Ju 89 bomber. As the war progressed, the surviving six Luft Hansa airframes were also impressed into Luftwaffe service, A bomberversion, the A-8, was planned, but never built. The Ju 90 V5 flew first on 5 December 1939. Two or three German Ju.90B-1 were used for Luftwaffe staff and equipment transporting to Iraq during unsuccessful anti-British rebellion in 1941. Item Information. The wing design in the 3-view drawing pictured only applied to the first four Ju-90 aircraft, which were all seriously underpowered aircraft. The Junkers Ju 390 was a German long-range derivative of the Junkers Ju 290 aircraft, intended to be used as a heavy transport aircraft, maritime patrol aircraft and long-range bomber.It was one of the aircraft designs submitted for the abortive Amerika Bomber project, along with the Messerschmitt Me 264, the Focke-Wulf Ta 400 and the Heinkel He 277. The windows were replaced by 10 small portholes a side. El Junkers Ju 90 descendeix directament del Junkers Ju 89, un avió presentat al programa Uralbomber destinat a produir un bombarder estratègic de llarg abast. The Junkers aircraft, the Ju 89, was by far the better of the two. Um Junkers Ju 90 a ser preparado para um voo Descrição Tipo / Missão Avião comercial Fabricante Junkers: Primeiro voo em 28 de agosto de 1937 (83 anos) Especificações Dimensões Comprimento 26,45 m (86,8 ft) Envergadura: 35,3 m (116 ft) Altura 7,5 m (24,6 ft) Peso(s) Peso máx. It was based on the rejected Ju 89 bomber. Neither of these were delivered to SAA, but went instead to the Luftwaffe. Design was hea… It crashed fatally during tropical flight tests on takeoff in November 1938 at Bathurst, Gambia, probably because of engine failure. The Ju-90 was a civilian transport aircraft developed from the experimental Ju-89 strategic bomber design. The Junkers Ju 90 was a 40-seat, four-engine airliner developed for and used by Deutsche Luft Hansa shortly before World War II. Take your favorite fandoms with you and never miss a beat. They got a new wing with a straight inner section leading edge, of greater span (19%) and area (11%). [8] An uncompleted 11th A-series machine was turned into the Ju 290 V1. It was also intended to meet the need for large transport aircraft. The Ju 90 V9 was also withdrawn and rebuilt as the Ju 390V2, later redesignated in October 1944 as the Ju 390A-1. This led to 4913's wings, tail assembly and engines being combined with a new rectangular section, duralumin and steel monocoque. The Ju 90 V10's rebuild into the Ju 390 V3 bomber prototype was commenced, but was scrapped at the factory in June 1944. Ju-90V5 to Ju-90V7 had straight wings similar to the Ju-290, but less span. It subsequently emerged that the Junkers company simply set this as an arbitrary limit based on the earlier Ju-90 whose abilities were well known. These were known by the alternative designation Z-3 to distinguish them from the BMW-powered Z-2. During the war, the Luftwaffe impressed them as military transports. Disseny i desenvolupament. [1][5] The Ju 90V5 and V6 were the prototypes of this military design. Ju 90 was an airliner developed for Lufthansa shortly before World War II. Both aircraft were retroactively fitted with the much more powerful, Kraftei (power-egg) unitized mounting 1,200 kW (1,600 hp) BMW 801MA radials, with the first suffix letter "M" signifying the initial Motoranlage format of unitized powerplant installation design promulgated by the RLM. Prototyp Ju 90V-1 používal krídla a chvostové plochy z typu Ju 89 V-3, a to vrátane radových motorov Daimler Benz DB600 o sile 706kW. [3] Only seven of the A-1s were delivered to Luft Hansa, the last in April 1940, one going directly to the Luftwaffe. The Junkers Ju 90[1][4][5] was a four-engine all-metal, low-wing aircraft fitted with twin end-plate vertical stabilizers. This is a good, solid monograph. After the three prototypes, Junkers built ten Ju 90B-1 production aircraft. This prototype was powered by four Daimler-Benz DB 600A engines, a liquid-cooled inverted V12. Das Muster wurde von 1937 bis 1939 gebaut und nach dem Firmensitz der Junkers-Werke auch Der große Dessauer genannt. There is not much on the Ju-90 flying to Iraq or color profiles of this aircraft in Luftwaffe service.. fuselage, the resulting aircraft being redesignasted Ju-90 V1. 94 pages, over 100 black and white photos, numerous drawings and 2 pages of color aircraft profiles. A special feature of both the V5 and V6 was a boarding ramp in the floor of the rear section of the fuselage for loading cars and larger cargo freight. The Junkers Ju 90 was a 40-seat, four-engine airliner developed for and used by Deutsche Luft Hansa shortly before World War II. reply Nó được hãng Deutsche Luft Hansa sử dụng một thời gian ngắn trước Chiến tranh thế giới II.Ju 90 dựa trên loại máy bay ném bom Ju 89.Trong chiến tranh, Luftwaffe sử dụng chúng làm máy bay vận tải. There were toilets, a cloakroom and a mail store aft, and a baggage hold forward of the passenger space. The Ju-90 V6 airframe was itself re-designated Ju-390 V1. 290000001… The Original Model: Junkers JU 90. The Ju 90 V6 was withdrawn from test flights, and rebuilt as the Ju 390 V1 prototype. though two were returned to Luft Hansa later. The fins and rudders, the latter with prominent horn balances assemblies were placed at the end of the tailplane; this latter carried the elevators separated by a gap, forming another double wing. On the first four Ju 90As, there were five pairs of rectangular windows on each side, each double pair lighting a divided-off section of the cabin containing eight seats in facing pairs on either side of a central aisle. Bundesarchiv Bild 146-1980-003-31, Junkers-Werke Dessau, Montage JU 90.jpg 800 × 574; 97 KB Later aircraft used BMW radials, … [5], South African Airways also ordered two A-1s with Pratt & Whitney Twin Wasp engines delivering 670 kW (900 hp). [5][7] This Trapoklappe ramp, when lowered, raised the fuselage to the horizontal flying position. Quantity: 3 available / 2 sold. In April 1939, the RLM asked Junkers for a further development of the Ju 90 for military transport purposes. When the Ju 89 program was abandoned, the third prototype was partially completed and at the request of Luft Hansa, it was rebuilt as an airliner, retaining the wings and tail of the original design but incorporating a new, wider passenger-carrying fuselage. The Ju 290 was also intended to meet the need for large transport aircraft. The Ju 90 V11 became the definitive Ju 290 prototype with smaller rectangular fuselage windows. There were four or five divided fuselage sections, the latter holding the maximum of 40 passengers. This prototype was powered by four Daimler-Benz DB 600A engines, a liquid-cooled inverted V12. The prototype flew in August 1937, one month later than the competing Fw 200. During the war, the Luftwaffe impressed these aircraft for use as military transports. Iraqi markings were painted roughly over German. Condition: Brand New. Ju-90V6 and Ju-90V9 were converted to become Ju-390 prototypes. The Junkers Ju 90 airliner and transport series descended directly from the Ju 89, a contender in the Ural bomber programme aimed at producing a long-range strategic bomber. The tailwheel undercarriage was fully retractable, the single wheel main units raising hydraulically into the inner engine nacelles. ISBN 0 85177 920 4 Page 208. The new fuselage was of oval cross section, covered by stressed smooth duralumin skin. https://aircraft.fandom.com/wiki/Junkers_Ju_90?oldid=18692. The Junkers 290 was developed directly from the Ju 90 airliner, versions of which had been evaluated for military purposes, and was intended to replace the Focke-Wulf Fw 200 Condor which by 1942 was proving increasingly slow and vulnerable when confronted by RAF aircraft over the "narrow seas" around Europe. Like all the production commercial Ju 90s, this was powered by four BMW 132 radial engines delivering 620 kW (830 hp). The former had a fuselage extension of 1.98 m (6 ft 6 in) and the addition of dihedral to the tailplane to solve a yaw instability. By 1941, two further prototype militarised Ju 90s were deemed to be different enough from their predecessors to warrant a new designation. The more powerful engines and other modifications to the Ju 90 V5 and V7 were steps in this direction and the latter was converted into the Ju 290 V3. Putnam Aeronautical Books. [3] They named this aircraft Preussen. Covers the design, construction and operational history of the civilian airliner pressed into military service. It was based on the rejected Ju 89 bomber. Kay, Antony L and J R Smith. German Aircraft of the Second World War. Later aircraft used BMW radials, … Die Junkers Ju 90 war ein viermotoriges Flugzeug des deutschen Herstellers Junkers Flugzeug- und Motorenwerke in Dessau. Four of these aircraft took part in the invasion of Norway.[6]. The two last prototypes - the V7 and V8 - fed directly into the Ju 290 development programme. They also used the next two prototypes, starting with V3 Bayern which flew on the Berlin-Vienna route from July 1938. During the war, the Luftwaffe impressed them as military transports. In the case of the Ju 89, it … The Junkers firm was paid compensation for seven Ju 390s under construction, when Ju 390 orders were cancelled. The Junkers Ju 90 was a 40-seat, four-engine airliner developed for and used by Deutsche Luft Hansa shortly before World War II. It was based on the rejected Ju 89 bomber. První uživatelem byl německý národní dopravce Lufthansa. The Junkers Ju 90 was a four engined transport aircraft that was developed from the Ju 89 heavy bomber.Although the Ju 89 had made a successful maiden flight on 7 December 1936 the Luftwaffe was losing interest in strategic bombers, and on 29 April 1937 work on both the Ju … Registered D-AALU and named Der Grosse Dessauer, the Ju 90 V1 made it's first flight on 28 August 1937, only to crash on 6 February 1938 while conducting flutter tests.[2]. Nový dopravný Junkers Ju 90 vznikol za pomerne neveľkého záujmu spoločnosti Deutsche Lufthansa. Junkers Ju 90. Media in category "Junkers Ju 90" The following 13 files are in this category, out of 13 total. The new design was designated the Ju 90.[1][2][3]. Junkers G23, G24. Junkers Ju 90 byl dopravní letoun postavený na základě projektu bombardéru Junkers Ju 89, který se dostal jen do stádia prototypu. The volume traces the Junkers line from the F13, through the G24, Ju 52, Ju 86 passenger aircraft and Ju 89 four-engine strategic bomber to the Ju 90. and Nowarra, H. Ju 290 section, Articles incorporating text from Wikipedia, World War II transport aircraft of Germany, http://www.hugojunkers.pytalhost.com/ju_ju90_a1.htm, http://www.eads.net/1024/en/eads/history/airhist/1930_1939/Junkers_Ju_90.html, https://military.wikia.org/wiki/Junkers_Ju_90?oldid=5261336, Junkers Ju 90 under construction at Junkers-Werke Dessau, On November 26, 1938, a Deutsche Luft Hansa Ju 90V2, registration D-AIVI and named, On November 8, 1940, a Deutsche Luft Hansa Ju 90A, registration D-AVMF and named, On August 9, 1944, a Deutsche Luft Hansa Ju 90V3, registration D-AURE and named. Though there is a bit about the parent company, Junkers' pre-war history and the Ju-90 is fairly well covered, there is very little on the follow on Ju-290 and Ju-390 or the Ju-90's wartime service.. The move to lower power was probably necessitated by the demands on Daimler Benz to produce engines for strategically important, front line aircraft. Junkers Ju 90 prototype D-AALU Der Grosse Dessauer, introduced in 1937. The Junkers 290 was a direct development of the Junkers Ju 90 airliner, versions of which had been evaluated for military purposes. The Ju 90B, whose prototypes were the Ju 90 V5 through the Ju 90 V10 aircraft, adopted round fuselage portholes. Junkers Ju 90 je bilo štirimotorno propelersko potniško/transportno letalo, ki so ga razvili malo pred 2. svetovno vojno.Letalo je uporabljala Deutsche Luft Hansa, kasneje pa tudi Luftwaffe kot transportno letalo. Named Der Grosse Dessauer as had been the earlier Junkers G 38, its maiden flight took place on 28 August 1937. The leading edge was quite markedly swept, the trailing edge almost straight. This concept was abandoned by the RLM (Reichsluftfahrtministerium, Reich Aviation Ministry) in April 1937 in favour of smaller, faster bombers. When the Ju 89 project was cancelled, the third prototype was in a semi-complete state. This concept was abandoned by the RLM (Reichsluftfahrtministerium, Reich Aviation Ministry) in April 1937 in favour of smaller, faster bombers. [1][2], Kay, Anthony L. Junkers Aircraft and engines 1913-1945 (2004). London: Putnam Aeronautical Books ISBN 0-85177-985-9, Turner, P. St.J. The airplane history also includes a fairly detailed discussion of the technical side of Lufthansa. Early as 1933 when the Ju 90 was a 40-seat, four-engine airliner developed for and used Deutsche! A second prototype Ju 290 prototype with smaller rectangular fuselage windows Ju and. Aircraft profiles Motorenwerke in Dessau the tailwheel undercarriage was fully retractable, the single wheel main units hydraulically. Over-Speed tests. [ 1 ] [ 5 ] the Ju 390V2, later redesignated in October 1944 the... Demands on Daimler Benz to produce engines for strategically important, front line aircraft 2 ], Kay, L.... 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