Josef Fröhlich (engineer)

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Josef Fröhlich

Josef Fröhlich (born March 31, 1904 in Essen , † November 23, 1978 in Düsseldorf ) was a German engineer .

Life

After graduating from high school and training as a car fitter, Josef Fröhlich studied mechanical engineering at the Technical University of Hanover (today Gottfried Wilhelm Leibniz University of Hanover ) specializing in aircraft construction. He began his professional career in 1929 as a designer at Albatros Flugzeugwerke in Berlin-Johannisthal . The move to Arado Flugzeugwerke GmbH took place in 1932, initially to the plant in Warnemünde . In 1935 the construction department was relocated to the plant in Brandenburg an der Havel . Here Fröhlich was responsible for the development of wings, e.g. B. for the Arado Ar 95 . In 1938 Willy Messerschmitt brought Fröhlich to Messerschmitt AG in Augsburg , where he was in charge of the construction of the Messerschmitt Me 321 , a cargo glider with a 55 m span , in the early 1940s . After a very short development period, series production took place in Leipheim . As a result, this type was equipped with six French Gnôme et Rhône engines and produced as the Messerschmitt Me 323 "Gigant". For further development and series support, Fröhlich and part of his work group moved to Luftschiffbau Zeppelin in Friedrichshafen . In 1944 he returned to Messerschmitt AG and was entrusted with various special tasks.

After the war, Fröhlich became chief designer in the pipe construction department at Mannesmannröhren-Werke AG in Düsseldorf-Rath . He realized projects like:

Numerous patents bear his name. An important invention was, for example, the octaplate , which was used as a three-dimensional surface structure with a large span for numerous buildings (for example in the Church of the Holy Cross in Düsseldorf-Rath).

literature

  • Josef Fröhlich: Octa plate in tube construction . Stahlbau, 28 (9): 255–256, 1959.
  • Wolfram Lohse: Steel construction 2 . 20th edition, Teubner, Stuttgart 2005, ISBN 3-519-25255-4 .

Web links

Individual evidence

  1. ↑ Jörg Armin Kranzhoff: The Arado Airplanes - From Biplane to Jet Airplane. In: German aviation. Volume 31, Bernard & Graefe Verlag, Koblenz 2000, ISBN 3-7637-6122-5 , list of employees.
  2. ↑ The Devil's Bridge on St. Gotthard (short documentary film). In: filmportal.de . German Film Institute , accessed on October 12, 2016 .
  3. ↑ J. Fröhlich: Octa plate in tube construction . In: Steel construction . tape 28 , no. 9 , 1959, pp. 255-256 .
  4. ^ W. Lohse: Stahlbau 2 . 20th edition. Teubner, 2005, ISBN 3-519-25255-4 .
personal data
SURNAME Happy, Josef
BRIEF DESCRIPTION German engineer
DATE OF BIRTH March 31, 1904
PLACE OF BIRTH eat
DATE OF DEATH November 23, 1978
Place of death Dusseldorf