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The Phenomenon of Buffeting

The Phenomenon of Buffeting THE Accidents Investigation SubCommittee of the Aeronautical Research Committee has issued a detailed technical report on the accident to the Junkers F.13type aeroplane GAAZK which occurred at Meopham, Kent, on July 21, 1930. The report, which fills ninetytwo pages, gives a complete account of the researches and technical investigations that were made at the instigation of the SubCommittee, much of which is of great technical interest. It is impossible here to do more than give a brief summary of the circumstances of the accident and the inquiries which led to the rejection of a number of theories of the cause, leading to the final conclusion that it was due to a phenomenon called Buffeting, which is defined as an irregular oscillation of the tail unit, in which the tailplane bends rapidly up and down and the elevators move in an erratic manner. It is caused by the eddies given off by the wings at large angles of incidence and is, the SubCommittee state, quite distinct from flutter, which, in the case of machines of the Junkers F.13type would develop only at speeds above 250 m.p.h. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

The Phenomenon of Buffeting

Aircraft Engineering and Aerospace Technology , Volume 3 (2): 4 – Feb 1, 1931

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb029365
Publisher site
See Article on Publisher Site

Abstract

THE Accidents Investigation SubCommittee of the Aeronautical Research Committee has issued a detailed technical report on the accident to the Junkers F.13type aeroplane GAAZK which occurred at Meopham, Kent, on July 21, 1930. The report, which fills ninetytwo pages, gives a complete account of the researches and technical investigations that were made at the instigation of the SubCommittee, much of which is of great technical interest. It is impossible here to do more than give a brief summary of the circumstances of the accident and the inquiries which led to the rejection of a number of theories of the cause, leading to the final conclusion that it was due to a phenomenon called Buffeting, which is defined as an irregular oscillation of the tail unit, in which the tailplane bends rapidly up and down and the elevators move in an erratic manner. It is caused by the eddies given off by the wings at large angles of incidence and is, the SubCommittee state, quite distinct from flutter, which, in the case of machines of the Junkers F.13type would develop only at speeds above 250 m.p.h.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Feb 1, 1931

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