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Published online by Cambridge University Press: 26 October 2023
IN introducing the Lecturer, Colonel Moore-Brabazon said that Mr von Baumhauerwas a distinguished aeronautical engineer and scientist in his own country, andthat the Institution felt very grateful to him for coming over for the specialpurpose of giving aeronautical people in England some information regarding hiswork and its results The Chairman then called upon Mr von Baumhauer to deliverhis paper
Mr A G VON BAUMHAUER We want progress in aviation because we are convinced thatefficient air traffic will give interesting and useful new possibilities
Wind channel tests have shown that wings can be made with a lift-drag ratio offar more than 20, and that streamline-bodies may have a resistance which at highspeed is so small for a body of the cross section of modern transport machinesthat the lift drag ratio of the whole could still be over 20(eg, at a speed of 160 m p h ) So it would seem quitesimple to build efficient aeroplanes
But it is not really so simple
Paper read by Mr A G von Baumhauer (Sub-Director of the Government Aeronautical Laboratories, Amsterdam), before the Institution in the Lecture Room of the Junior Institution of Engineers, 39, Victoria Street, London, S W 1, on 16th November, 1926 Lieut -Colonel J T C Moore-Brabazon, M C, M P, in the Chair
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