Browsing Aeronautical Research Council Reports & Memoranda by Author "E. W. Chapple"

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The aerodynamic effects of aspect ratio on flutter of unswept wings

W. G. Molyneux; E. W. Chapple (1952)

The report describes a method for the direct measurement of the aerodynamic effects of aspect ratio on wing flutter. The method requires the use of stiff (virtually rigid) wings flexibly mounted at the root. Details are ...
A comparison of the measured and predicted flutter characteristics of a series of delta wings of different aspect ratios

H. Hall; E. W. Chapple (1955)

The report gives the results of tests to investigate the aerodynamic effects of aspect ratio on the flutter of delta wings that are virtually rigid but are flexibly supported at the root. A function representing the ...
Wind-tunnel flutter tests on a model delta wing under fixed and free root conditions

D. R. Gaukroger; E. W. Chapple; A. Milln (1950)

Wind-tunnel tests on a model wing of delta plan form are described. Tests have heen made with the wing root fixed and also with the root free in pitch and vertical translation. Critical flutter speed and frequency are given ...
Wind-tunnel tests on the effect of body freedoms on the flutter of a model wing carrying a localised mass

D. R. Gaukroger; E. W. Chapple (1956)

Wind-tunnel test results for the flutter of a swept-back wing carrying a localised mass, and having symmetric or antisymmetric freedoms of the root, are given. The tests were made on a model wing of 23 deg sweepback, the ...

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