Aircraft Engineering and Aerospace Technology: Volume 8 Issue 5

The Low Flying Nuisance: The Anti‐Noise League's Complaint and the Air Ministry's Reply

AT the end of the summer flying season last year, in the issue of AIRCRAFT ENGINEERING for October, 1935, we raised in a leading article the matter of the suffering caused to…

Variable‐Pitch Airscrew Performance: A Method of Dealing with the Prediction of V.P. Airscrew Performance with Modern Supercharged Engines

IN all cases, the estimation of airscrew‐engine performance must start with a clear specification of the primary condition for which the airscrew is to be designed. In the…

An Automatic V.P. Airscrew: The Schwarz Two‐Position Hub with Completely Automatic Operation

THE Schwarz variable‐pitch airscrew hub is an automatic mechanism giving fixed positions to the blades ; at present there are two positions only, corresponding with the…

Carburation Practice in Aero‐Engines: A History of the Development of Carburettors for Special Aircraft Requirements

THE progress in the practice of aero‐engine carburation up to the year 1914, and the improvement in performance which resulted have been briefly traced in the April issue. The…

A French Long‐Range Boat: The Three‐Engined Braced High‐Wing Monoplane Built by the Latécoère Company

THE Latécoère 582 long‐range naval reconnaissance flying boat was recently constructed at Toulouse by the Société Industrielle d'Aviation Latécoère and tested on the Lac de…

Details of the Latécoère: Drawings of some of the Constructional Features of the Flying Boat Described on the Opposite Page

A New Commercial Dewoitine: One of the Designs Competing for Replacement Contracts on the Air France Lines

THE new Dewoitine three‐engined transport machine, known as the D‐620, is one of several new monoplanes for commercial service which were built as part of the 1935 constructional…

New British Service Equipment

Two of the Types recently Adopted by the Royal Air Force and the Royal Navy

A Vertical Broaching Machine: A Tool Adapted for Repetition Work on Small Components

THE Forst vertical hydraulic broaching machine is particularly well adapted for the manufacture of components which, in the subsequent operations, are located from the hole and…

Air Ministry Contracts

THE following list of contracts placed by the Air Ministry during March is extracted from the April issue of The Ministry of Labour Gazette:—

Research Reports and Memoranda

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…

U.S. Patent Specifications

In an automatic internal combustion engine fire protective system, the combination with the engine of an indicator operable by the continuous flow of a fluid, means on the engine…

Month in the Patent Office

Means for reducing the head resistance of air‐cooled engines and like obstructions on aircraft comprise moving, approximately peripherally of the radial airflow,one or more…