Aircraft Engineering and Aerospace Technology: Volume 26 Issue 1

Pest Control

THE nuisance caused by the noise produced by aircraft is a matter which has been arousing antagonism now for some forty years and there have been repeated demands that ‘something…

A Survey of Experiments on Jet Noise: A Study of the Mechanism of Noise Production of Jet Engines, with Brief Notes on its Reduction

Alan Powell

The bulk of jet engine noise developed at high powers arises from the turbulent mixing of the jet efflux in the surrounding air, as judged from model experiments, and has a…

Rotor Blade Motion in a Vertical Sharp‐edged Gust: A Study of the Dynamics of Helicopter Blade Flapping with a Method of Deriving Maximum Gust Deflexion

P.R. Payne

Part I—Constant Chord Blades 1. Summary Rotor/fuselage clearance is the most fundamental design consideration when laying out a new project, and it is essential to estimate this…

Auxiliary Equipment

Fuel Transfer by Pneumatic Pressure A simple lightweight fuel pressure‐transfer system has been produced by the Dunlop aviation division by which the tanks need only be…

Aero‐isoclinic Wing and All‐moving Wing‐tips: Some Account of the Short Sherpa and the Considerations which have Led to its Design

THE first public flight of the Short Sherpa was made at Aldergrovc R.A.F. station near Belfast early in December. The Sherpa has been designed and built as part of the research…

Letters to the Editor: Fatigue of Helicopters — Further Evidence on Steel Lugs Authority for Documentation

To the Editor. Dear Sir, ‘Engineers must bow to facts’ wrote Mr J. S. Shapiro (AIRCRAFT ENGINEERING, Vol. XXIV, No. 286, p. 376, December 1952).

A New Rolls‐Royce Aero‐engine Factory: The New Works in Scotland for the Production of Avon Engines

THE new aero‐engine works of Rolls‐Royce Limited at East Kilbride, near Glasgow, was formally opened on November 20 by The Rt Hon Duncan Sandys, Minister of Supply.

A Mobile Test Plant for Turbo‐jet Engines: Particulars of an Interesting Plant Exhibited for the First Time at Farnborough by John Curran Ltd.

THE large and elaborate installations needed for the testing of gas turbine power plants have become familiar, together with the bulky equipment needed to reduce the noise to a…

The Library Shelf

A.D.B., E.H.B., C.F.B., V.D.N.

This is another of the growing series of text‐books on gas turbines. The earliest of these were based mainly upon information and experience gained from the rapid development of…

Research Reports and Memoranda

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…

Trade Announcements

A monthly feature giving news of recent Government and professional appointments, industrial developments and business changes, etc.. The Insignia Award in Technology was…

Month in the Patent Office

In an aircraft in which the wings 10 can be moved from a spread position, tig. 1, to a swept‐back position, fig. 2, the spars 11 extend into the fuselage and are hinged together…

U.S. Patent Specifications

In an aerofoil construction that includes a main aerofoil portion and a semi‐floating droopable section flexibly suspended at its upper inner surface by an integral flexible…

German Patent Abstracts

Translated Abstracts of a Selection from the New Post‐war Series of Patents Granted in the German Federal Republic. The invention consists in the provision of the detonator fuse…