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WE have left unaltered the title of MR SHORTAL'S lecture before the SOCIETY OF AUTOMOTIVE ENGINEERS though it is by no means accurately descriptive of the objects with which he deals. We feel, if we may say so, that he has to some extent been led astray by the strong appeal a picturesque phrase...
THE role of the National Advisory Committee for Aeronautics in the present national effort devoted to the development of guided missiles is quite similar to the role the N.A.C.A. has taken for many years in connexion with piloted aircraft. This role, as specified by Congress in 1915, is to...
There arc few published works dealing with British aircraft sanitary systems and associated equipment and a comprehensive survey of this particular subject should not, therefore, be out of place here. In this article, a history of the development work culminating in the evolution of a modern...
Four electrical circuits for adding strain gauge signals in various proportions are considered and their relative efficiencies and sensitivities examined. The addition is effected by slight modifications to the Wheatstone bridge circuit. In all cases expressions are given for the galvanometer...
For 5,000 years man has had experience of metal. Considerable though this period is, if judged on an historical rather than on a geological basis, it has proved all too short for the determination of the major chemical and physical characteristics of even that small group of metals used in...
WITH the establishment of Short Brothers and Harland Ltd, at Belfast, the need arose for complete equipment for the testing of aircraft structures and components, it not being possible to transport large structures to Farnborough to be tested at the R.A.E. The way in which this problem has been...
Under this heading are published regularly abstracts of all Reports and Memoranda of the Aeronautical Research Council, Reports and Technical Memoranda of the United States National Advisory Committee for Aeronautics and publications of other similar Research Bodies as issued
Two new bevel gear machines have recently been introduced by Maag to solve some of the problems normally associated with the production of accurate bevel gears. These are the Maag bevel gear grinding machine type KS42 and its associated measuring machine type K.P42.
A propeller 1 in a stationary tubular casing 2 rotates inside a guard ring 3 which is mounted for free rotation inside the casing on bearings 4, the free flow of air between the blade tips and the guard ring being reduced to a minimum by reducing the clearance between tips and rings and shaping...
In an aeroplane, a plurality of flaps to be moved through a range of positions, a reversible flap actuating motor for each flap, a pilot moved control member, a followup member moved by one of said flaps only, a pair of direction switches cooperating with said members and with said actuating...
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