The Structural Engineer > Archive > Volume 27 (1949) > Issues > Issue 7 > The Principles of Aircraft Strength Testing. Discussion on Dr. P.B. Walker's Paper
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The Principles of Aircraft Strength Testing. Discussion on Dr. P.B. Walker's Paper

MR. F. E. DRURY (Past President), proposing a hearty vote of thanks to Dr. Walker, recalled that some years ago the Institution had a paper on the structure of the aeroplane frame by Professor Pugsley, and at that time members made up their minds that although aeroplane structures did not come within normal structural engineering, the aeroplane itself was a structure-a complicated one-and one deserving of any structural engineer’s attention. He did not claim to know anything about the peculiarities of design, but it was quite easy, he thought, to see that in the design of the frame it was simply a question of applying principles of design when the proper forces were known, and he supposed the real difficulty was in estimating those forces.