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IT is remarkable how even in these days quite an important device can creep into common use practically unbeknownst, and become a regular feature almost as soon as it has first been noticed. Typical of such little causes from which great tilings spring is the tab. The word is not one of which we...
ONE of the primary considerations in the design of high performance aircraft is the attainment of a high powerweight ratio for the unloaded machine, while at the same time ensuring complete reliability under the most exacting service conditions.
DURING the past year or so there has been a growing tendency towards the use of small servo flaps on elevators and rudders either for trimming or for balancing. The object of this article is to review broadly the aerodynamic principles which govern their design, their advantages and disadvantages.
THE fact that the antiknock rating of aviation fuels in octane numbers presents difficulties, especially above 80 octane, has led us to develop a more suitable test method for aviation fuels, which might be called the Allowable Boost Ratio method.
THE electric current is often compared, especially in popular works, to the flow of water in a pipe. This conception holds good in certain respects, but is definitely misleading in many ways. The ground engineer who wishes to obtain the X licence for electrical equipment need not, it is true,...
ONE of the outstanding problems in design of stressedskin structures is that of ensuring adequate rigidity to guard against instability failure or buckling of the parts of the structure which have to carry compressive loads. Such structures consist usually of a scries of longitudinal members or...
The following list of contracts placed by the Air Ministry during September is extracted from the October issue of The Ministry of Labour Gazette
Under this heading are published regularly abstracts of all Reports and Memoranda of the Aeronautical Research Committee, Reports and Technical Notes of the U.S. National Advisory Committee for Aeronautics, and publications of other similar research bodies as issued
A gyroscopic control system for aeroplanes and other dirigible objects comprises 1 a pendulous gyroscope having its centre of gravity below the roll axis of the aeroplane, and comprising a frame 7, an outer gimbal ring 5 mounted to turn about the horizontal roll axis on the frame 7, an inner...
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