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UNDER the heading The Invasion Day Has Been Set, there appeared in the March 15 issue of the American journal Aero Digest an article which embodied a most remarkable attack on R.A.F. bombing policy, from which we quote the following extracts
A NEED has often been felt by the writer for a general curve giving the ceiling of an aeroplane with all engines operating, and with one or more out of operation, in terms of the variables in which the performance estimator is accustomed to think.
IN recent times, jet thrust has been used in aircraft by two different methods, depending on the practical possibilities and design considerations 1 by means of a capacitytype manifold connecting several cylinders in an engine and 2 by means of separate reactiontype exhaust pipes, fitted one to...
DURING the first two and a half years of this war the principal acroengine of the German Luftwaffe was the MercedesBenz DB.601. Until recently this was the only engine used in fighter aircraftit was installed in the principal German fighter the Mcsserschmitt Mc.109 and also in several bomber...
BEFORE dealing with the airscrew, it is proposed to compare the systems of forces acting on an aerofoil section with those acting on an inclined plane.
A paper by James George of the Civil Aeronautics Administration entitled Development of Stall Warning Indicators, covered three distinct types of stall warning devices. Two of these instruments will be commercially available in the near future. These will function successfully under all flight...
IT is usual when presenting a paper of this nature to start off with an ex cathedra pronouncement that the results of recent research and past experience now make it possible, for critical speeds to be calculated in advance with a degree of accuracy sufficient for practical purposes. I make no...
THE escalator method of solving frequency equations, developed by Morris and Head Ref. 1, and the natural extension of a Lemma by Professor Temple, together enable simple proofs to be given of two important fundamental theorems
ONE of the first essentials in the initiation of any work is to organize it to a definite plan which may be interpreted as follows
A TWIST drill should not always be regarded as something fit only, for producing holes of approximate accuracy. With close attention to the rules govering this kind of tool it is possible to turn out work with finished holes which are straight, smooth and to size three most essential conditions....
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