Gottlob Espenlaub: Difference between revisions
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==Career== |
==Career== |
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While serving as a [[joiner]] in his youth to aircraft builders, he helped [[Alexander Lippisch]] build a style of glider in 1921 according to Lippisch's designs. The glider was subsequently dubbed the [[Lippisch-Espenlaub E-2 glider]], due to Espenlaub's participation in its creation.<ref>{{cite book |title=The Delta wing: history and development |last=Lippisch |first=Alexander |authorlink= |coauthors= |year=1981 |publisher=Iowa State University Press |location= |isbn= |page=2 |pages= |url=http://books.google.com/books?id=P6lTAAAAMAAJ&q=%22Gottlob+Espenlaub%22&dq=%22Gottlob+Espenlaub%22&hl=en&ei=_KsaTdS0NoHQsAPoisHLAg&sa=X&oi=book_result&ct=result&resnum=8&ved=0CD4Q6AEwBw |accessdate=December 28, 2010}}</ref> Espenlaub began building his own rocket propelled gliders in 1928, conducting his first rocket test on October 22, 1929.<ref>{{cite book |title=The dream machines: an illustrated history of the spaceship in art, science, and literature |last=Miller |first=Ron |authorlink= |coauthors= |year=1993 |publisher=Krieger Pub. Co |location= |isbn= |page= |pages=185-194 |url=http://books.google.com/books?id=aj_L950Fcn0C&q=%22Gottlob+Espenlaub%22&dq=%22Gottlob+Espenlaub%22&hl=en&ei=_KsaTdS0NoHQsAPoisHLAg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCMQ6AEwAA |accessdate=December 28, 2010}}</ref> His rocket glider for this test was dubbed the RAK-3 and it featured missiles attached to the wings. During the flight, these missiles caught the tail on fire, forcing an early landing. It was due to this that many of Espenlaub's later designs would feature tailless gliders.<ref>{{cite book |title=Flugmotoren und Strahltriebwerke: Entwicklungsgeschichte der deutschen Luftfahrtantriebe von den Anfängen bis zu den internationalen Gemeinschaftsentwicklungen |last=von Gersdorff |first=Kyrill |authorlink= |coauthors=Schubert, Helmut; Grasmann, Kurt; Ebert, Stefan; Faltermair, Richard |year=2007 |publisher=Bernard & Graefe |location= |isbn= |page=307 |pages= |url=http://books.google.com/books?id=GBw-AQAAIAAJ&q=%22Gottlob+Espenlaub%22&dq=%22Gottlob+Espenlaub%22&hl=en&ei=kLcaTbuuJIHGsAPfwuWvCg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCIQ6AEwADgo |accessdate=December 28, 2010}}</ref> |
While serving as a [[joiner]] in his youth to aircraft builders, he helped [[Alexander Lippisch]] build a style of glider in 1921 according to Lippisch's designs. The glider was subsequently dubbed the [[Lippisch-Espenlaub E-2 glider]], due to Espenlaub's participation in its creation.<ref>{{cite book |title=The Delta wing: history and development |last=Lippisch |first=Alexander |authorlink= |coauthors= |year=1981 |publisher=Iowa State University Press |location= |isbn= |page=2 |pages= |url=http://books.google.com/books?id=P6lTAAAAMAAJ&q=%22Gottlob+Espenlaub%22&dq=%22Gottlob+Espenlaub%22&hl=en&ei=_KsaTdS0NoHQsAPoisHLAg&sa=X&oi=book_result&ct=result&resnum=8&ved=0CD4Q6AEwBw |accessdate=December 28, 2010}}</ref> Espenlaub began building his own rocket propelled gliders in 1928, conducting his first rocket test on October 22, 1929.<ref>{{cite book |title=The dream machines: an illustrated history of the spaceship in art, science, and literature |last=Miller |first=Ron |authorlink= |coauthors= |year=1993 |publisher=Krieger Pub. Co |location= |isbn= |page= |pages=185-194 |url=http://books.google.com/books?id=aj_L950Fcn0C&q=%22Gottlob+Espenlaub%22&dq=%22Gottlob+Espenlaub%22&hl=en&ei=_KsaTdS0NoHQsAPoisHLAg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCMQ6AEwAA |accessdate=December 28, 2010}}</ref> His rocket glider for this test was dubbed the RAK-3 and it featured missiles attached to the wings. During the flight, these missiles caught the tail on fire, forcing an early landing. It was due to this that many of Espenlaub's later designs would feature tailless gliders.<ref>{{cite book |title=Flugmotoren und Strahltriebwerke: Entwicklungsgeschichte der deutschen Luftfahrtantriebe von den Anfängen bis zu den internationalen Gemeinschaftsentwicklungen |last=von Gersdorff |first=Kyrill |authorlink= |coauthors=Schubert, Helmut; Grasmann, Kurt; Ebert, Stefan; Faltermair, Richard |year=2007 |publisher=Bernard & Graefe |location= |isbn= |page=307 |pages= |url=http://books.google.com/books?id=GBw-AQAAIAAJ&q=%22Gottlob+Espenlaub%22&dq=%22Gottlob+Espenlaub%22&hl=en&ei=kLcaTbuuJIHGsAPfwuWvCg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCIQ6AEwADgo |accessdate=December 28, 2010}}</ref><ref>{{cite news |title=Noticias Mundiales De Ultima Hora |author= |url=http://pqasb.pqarchiver.com/latimes/access/378543921.html?dids=378543921:378543921&FMT=ABS&FMTS=ABS:AI&type=historic&date=May+02,+1930&author=&pub=Los+Angeles+Times&desc=NOTICIAS+MUNDIALES+DE+ULTIMA+HORA&pqatl=google |newspaper=[[Los Angeles Times]] |date=May 2, 1930 |accessdate=December 28, 2010}} ([http://translate.google.com/translate?hl=en&sl=es&tl=en&u=http://pqasb.pqarchiver.com/latimes/access/378543921.html%3Fdids%3D378543921:378543921%26FMT%3DABS%26FMTS%3DABS:AI%26type%3Dhistoric%26date%3DMay%2B02,%2B1930%26author%3D%26pub%3DLos%2BAngeles%2BTimes%26desc%3DNOTICIAS%2BMUNDIALES%2BDE%2BULTIMA%2BHORA%26pqatl%3Dgoogle English])</ref> |
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After conducting further tests, he improved his design and then did another test with his glider in [[Düsseldorf]], [[Germany]] in 1930, achieving a speed of 90 [[Kilometres per hour|kilometers per hour]].<ref>{{cite book |title=Spaceplanes: From Airport to Spaceport |last=A. Bentley |first=Matthew |authorlink= |coauthors= |year=2008 |publisher=シュプリンガー・ジャパン株式会社 |location= |isbn= |page=221 |pages= |url=http://books.google.com/books?id=rk1Sivcwyc4C&pg=PA221&dq=%22Gottlob+Espenlaub%22&hl=en&ei=_KsaTdS0NoHQsAPoisHLAg&sa=X&oi=book_result&ct=result&resnum=5&ved=0CDIQ6AEwBA#v=onepage&q=%22Gottlob%20Espenlaub%22&f=false |accessdate=December 28, 2010}}</ref> He had already been known as a "renowned German sailplane pilot" before this because of his various designs and his piloting abilities. Because of this renown, he was asked to test fly numerous new kinds of aircraft, such as the A2 airplane in 1929 built by Alexander Soldenhoff.<ref>{{cite book |title=Winged wonders: the story of the flying wings |last=Wooldridge |first=E. T. |authorlink= |coauthors=National Air and Space Museum |year=1983 |publisher=Smithsonian Institution Press |location= |isbn= |page=28 |pages= |url=http://books.google.com/books?id=mopTAAAAMAAJ&q=%22Gottlob+Espenlaub%22&dq=%22Gottlob+Espenlaub%22&hl=en&ei=j7QaTfykNZSusAOfn4XGCg&sa=X&oi=book_result&ct=result&resnum=6&ved=0CDcQ6AEwBTgU |accessdate=December 28, 2010}}</ref> |
After conducting further tests, he improved his design and then did another test with his glider in [[Düsseldorf]], [[Germany]] in 1930, achieving a speed of 90 [[Kilometres per hour|kilometers per hour]].<ref>{{cite book |title=Spaceplanes: From Airport to Spaceport |last=A. Bentley |first=Matthew |authorlink= |coauthors= |year=2008 |publisher=シュプリンガー・ジャパン株式会社 |location= |isbn= |page=221 |pages= |url=http://books.google.com/books?id=rk1Sivcwyc4C&pg=PA221&dq=%22Gottlob+Espenlaub%22&hl=en&ei=_KsaTdS0NoHQsAPoisHLAg&sa=X&oi=book_result&ct=result&resnum=5&ved=0CDIQ6AEwBA#v=onepage&q=%22Gottlob%20Espenlaub%22&f=false |accessdate=December 28, 2010}}</ref> He had already been known as a "renowned German sailplane pilot" before this because of his various designs and his piloting abilities. Because of this renown, he was asked to test fly numerous new kinds of aircraft, such as the A2 airplane in 1929 built by Alexander Soldenhoff.<ref>{{cite book |title=Winged wonders: the story of the flying wings |last=Wooldridge |first=E. T. |authorlink= |coauthors=National Air and Space Museum |year=1983 |publisher=Smithsonian Institution Press |location= |isbn= |page=28 |pages= |url=http://books.google.com/books?id=mopTAAAAMAAJ&q=%22Gottlob+Espenlaub%22&dq=%22Gottlob+Espenlaub%22&hl=en&ei=j7QaTfykNZSusAOfn4XGCg&sa=X&oi=book_result&ct=result&resnum=6&ved=0CDcQ6AEwBTgU |accessdate=December 28, 2010}}</ref> |
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Revision as of 04:40, 29 December 2010
Gottlob Espenlaub (1900-1972[1]), nicknamed Espe,[2] was an inventor who specialized in early types of aircraft, specifically gliders and rocket propulsions derived for them. He invented a number of different aircraft over his lifetime that largely focused on tailless designs and co-founded the idea of aerotowing.
Career
While serving as a joiner in his youth to aircraft builders, he helped Alexander Lippisch build a style of glider in 1921 according to Lippisch's designs. The glider was subsequently dubbed the Lippisch-Espenlaub E-2 glider, due to Espenlaub's participation in its creation.[3] Espenlaub began building his own rocket propelled gliders in 1928, conducting his first rocket test on October 22, 1929.[4] His rocket glider for this test was dubbed the RAK-3 and it featured missiles attached to the wings. During the flight, these missiles caught the tail on fire, forcing an early landing. It was due to this that many of Espenlaub's later designs would feature tailless gliders.[5][6]
After conducting further tests, he improved his design and then did another test with his glider in Düsseldorf, Germany in 1930, achieving a speed of 90 kilometers per hour.[7] He had already been known as a "renowned German sailplane pilot" before this because of his various designs and his piloting abilities. Because of this renown, he was asked to test fly numerous new kinds of aircraft, such as the A2 airplane in 1929 built by Alexander Soldenhoff.[8]
Espenlaub also served as a theorist and implementor in terms of aircraft design and the future abilities of aircraft. He and Gerhard Fieseler conducted a number of demonstrations in 1927 at Cassel on the idea of aerotowing and its feasibility in the air.[9] This was the first ever showing of the idea and its use became widespread after Espenlaub and Fieseler's demonstrations.[10]
References
- ^ Bayerische Akademie der Wissenschaften (1985). Neue deutsche Biographie: Bd. Laverrenz-Locher-Freuler. Duncker & Humblot. p. 662. Retrieved December 28, 2010.
{{cite book}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ Kronfeld, Robert (1932). Kronfeld on gliding and soaring: the story of motorless human flight. J. Hamilton, ltd. p. 69. Retrieved December 28, 2010.
{{cite book}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ Lippisch, Alexander (1981). The Delta wing: history and development. Iowa State University Press. p. 2. Retrieved December 28, 2010.
{{cite book}}: Cite has empty unknown parameter:|coauthors=(help) - ^ Miller, Ron (1993). The dream machines: an illustrated history of the spaceship in art, science, and literature. Krieger Pub. Co. pp. 185–194. Retrieved December 28, 2010.
{{cite book}}: Cite has empty unknown parameter:|coauthors=(help) - ^ von Gersdorff, Kyrill (2007). Flugmotoren und Strahltriebwerke: Entwicklungsgeschichte der deutschen Luftfahrtantriebe von den Anfängen bis zu den internationalen Gemeinschaftsentwicklungen. Bernard & Graefe. p. 307. Retrieved December 28, 2010.
{{cite book}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ "Noticias Mundiales De Ultima Hora". Los Angeles Times. May 2, 1930. Retrieved December 28, 2010. (English)
- ^ A. Bentley, Matthew (2008). Spaceplanes: From Airport to Spaceport. シュプリンガー・ジャパン株式会社. p. 221. Retrieved December 28, 2010.
{{cite book}}: Cite has empty unknown parameter:|coauthors=(help) - ^ Wooldridge, E. T. (1983). Winged wonders: the story of the flying wings. Smithsonian Institution Press. p. 28. Retrieved December 28, 2010.
{{cite book}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ "Gottlob Espenlaub". Soaring. 45. Soaring Society of America: 33. 1981. Retrieved December 28, 2010.
- ^ C. Douglas, Ann (1947). Gliding and advanced soaring. J. Murray. p. 28. Retrieved December 28, 2010.
{{cite book}}: Unknown parameter|coauthors=ignored (|author=suggested) (help)