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THE continual development of helicopter rotor systems has so far resulted in the use of about six main types, and it will be of value briefly to recapitulate their advantages and disadvantages in order to obtain a balanced picture against which the stiffhinged rotor can be judged.
THE Fabian Society has recently issued, at one shilling, a booklet by Mr Frank Beswick, m.p., entitled Plan for the Aircraft Industry which we have decided to use as the theme for some musings this month.
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.
The visual examination of the interior of hollow parts calls for an instrument which will illuminate the part being inspected and advance the image of it towards the eye. Such an instrument is the endoscope, originally used in medical practice and now applied to industry.
THE Stress Analysis Group of the Institute of Physics held its ninth annual conference at Stephenson Hall, University of Sheffield, on September 28, 29 and 30. Summaries of some of the papers are published below. A summarized report of the proceedings will be published in due course in the...
THE reason for using the helicopter in transport is neither its performance nor its own cost, but the nature and design of its operating site. To separate the two, as is sometimes done in discussions of comparative merits of helicopters and aeroplanes, is clearly a futile exercise.
INVESTIGATIONS into the nature of high speed flow have now been in progress altogether for thirty years, and at a particularly intensive rate during the past ten years. Many of the problems which troubled early workers have now been solved, certain methods of treatment have been developed to a...
Like its companion volume, Aircraft Maintenance and Repair reviewed in the June 1955 issue of Aircraft Engineering, this book is distinguished by the high quality of its printing and illustrations. It is a revised edition of an earlier volume and therefore benefits from the fact that its method...
A lifting surface or body, such as an aeroplane wing, adapted to be driven through fluids, such as air said lifting body having a plan view form such that the leading and trailing edges of said plan view form are swept aft with respect to a vertical plane transverse to the plane of symmetry or...
A seal for the canopy 13 of a pressurized cockpit consists of an inflatable tube 23 disposed in a channel 20a secured to the cockpit framing and having wall portions 21, 22, the arrangement being such that when inflated the tube bears against the wall 21 and forces a blade member 24a attached to...
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