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• Gustav_Lachmann abstract "Gustav Victor Lachmann (3 February 1896 - 30 May 1966) was a German aeronautical engineer who spent most of his professional life working for the British company of Handley Page.Lachmann was born in Dresden, Germany, in 1896, the younger son of Gustav Anton Lachmann, an Austrian industrialist, and his wife, Leopoldine Wilvonseder. He served as a lieutenant in the German Army cavalry during World War I before transferring to the flying corps in 1917 and training as a pilot. During flight training he stalled and crashed, breaking his jaw. While hospitalised he turned his mind to the cause of his crash. He concluded that a series of small aerofoils contained within a normal wing section would possess improved low-speed characteristics. He rigged up a primitive flow-visualiation rig using a fan and cigarette smoke to confirm his ideas. He attempted to patent the principle, but the application was initially rejected by the German Patent Office on the basis that there was no proof that it would work. Lachman gave up the idea and enrolled at Darmstadt Technical University for a course in mechanical engineering and aerodynamics. He graduated in June 1921 and took a job with the Opel factory. By chance he read an account of Frederick Handley Page's public demonstration of leading-edge slots given at Cricklewood on 21 October 1921. This encouraged him to renew his patent application. He borrowed DM 1000 from his mother to pay for wind-tunnel tests to be undertaken by Ludwig Prandtl at Göttingen University and the patent was retrospectively granted as DE 347884. This gave his patent priority over those of Handley Page but a meeting between the two men settled the matter to mutual advantage, the patent rights being shared, and Lachmann being hired as a consultant by Handley Page Ltd. In 1923 his doctoral thesis The slotted wing and its importance for aviation was accepted by Aachen Technical University. He then spent time as a designer at the Schneider aircraft works in Berlin before becoming chief designer at the Albatros aircraft works at Johannisthal in 1925 where he designed the Albatros L 72 and the twin-engined Albatros L 73 eight-passenger transport. In 1926 Lachmann resigned from Albatros to join the Ishikawajima Aircraft Works in Tokyo as a technical adviser. He left Ishikawajima in 1929 to take a job with Handley Page in the United Kingdom as engineer in charge of slot development. In 1932 he was appointed chief designer, designing the H.P 54 Harrow and Hampden aircraft. In 1936 he was appointed to set up a special research department to work on a tailless aircraft design, the Handley Page H.P.75.Lachmann was regarded with suspicion by MI5 as a possible spy. On the outbreak of World War II Lachmann was sent to Quebec on the Duchess of York as an enemy alien and also interned on the Isle of Man, but after pressure from his employers he was eventually permitted by the authorities to continue his work for Handley-Page in Lingfield Prison.He stayed with Handley-Page for the remainder of his career. He died in Chorleywood, Hertfordshire, in 1966.".
• Gustav_Lachmann birthDate "1896-02-03".
• Gustav_Lachmann birthYear "1896".
• Gustav_Lachmann deathDate "1996".
• Gustav_Lachmann deathYear "1996".
• Gustav_Lachmann wikiPageExternalLink naca-tn-71.pdf.
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• Gustav_Lachmann dateOfBirth "1896-02-03".
• Gustav_Lachmann dateOfDeath "1996".
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• Gustav_Lachmann name "Lachmann, Gustav".
• Gustav_Lachmann subject Category:1896_births.
• Gustav_Lachmann subject Category:1996_deaths.
• Gustav_Lachmann subject Category:German_aerospace_engineers.
• Gustav_Lachmann subject Category:German_engineers.
• Gustav_Lachmann subject Category:German_military_personnel_of_World_War_I.
• Gustav_Lachmann subject Category:People_from_Dresden.
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• Gustav_Lachmann comment "Gustav Victor Lachmann (3 February 1896 - 30 May 1966) was a German aeronautical engineer who spent most of his professional life working for the British company of Handley Page.Lachmann was born in Dresden, Germany, in 1896, the younger son of Gustav Anton Lachmann, an Austrian industrialist, and his wife, Leopoldine Wilvonseder. He served as a lieutenant in the German Army cavalry during World War I before transferring to the flying corps in 1917 and training as a pilot.".
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• Gustav_Lachmann name "Gustav Lachmann".
• Gustav_Lachmann name "Lachmann, Gustav".
• Gustav_Lachmann surname "Lachmann".