Aircraft Engineering and Aerospace Technology: Volume 16 Issue 9

THE ROLE OF THE AIRSCREW

WE have thought it worth while to devote a considerable amount of space in this and the preceding issues to translations of a scries of articles by members of the staff of the…

Metallurgical Data of German Engines: I. Light Alloy Pistons

THE following report contains a summary of the metallurgical data obtained by investigation of a number of light alloy pistons from German aircraft. The pistons were submitted by…

The Story of British Air Transport

ON August 25, 1919, the first British air transport service was opened. On that day‐Air Transport and Travel Ltd. dispatched its first aircraft—a De Havilland Airco 4a— on a…

Modern Aeroplane Types: The Taylorcraft Auster Communications and Artillery Spotting Light Aeroplane

THE Auster is a development of the original Cub, for the manufacture of which in this country the British Taylorcraft Co. was formed nearly ten years ago. The Cub was an…

Airscrew Thrust and Take‐off

Ing. Franz Roth

IN the mathematical treatment of the take‐off problem it was formerly difficult to define any general relationships for the airscrew thrust. This difficulty was avoided usually by…

Some Aspects of Wing Design

S.J. Smyth

IN selecting a wing to give the least possible drag at some predetermined speed the designer has three variables at his disposal, these being wing area, aerofoil section and…

Quality Control and Industrial Development: A Non‐Mathematical Essay on Experimental Statistical Analysis

R.H.S. Phillips

THERE is no attempt made to be mathematical in tliis article, as it aims to interest the non‐statistical inquirer in the possibilities in a type of undeveloped quality control…

Mechanical Failures in Aero‐Engines: Some Typical Design and Production Weaknesses Revealed by Wartime Operation

W.N. Twelvetrees, K.W. Walpole

FEW engineering products receive the abuse to which aero engines are subjected in wartime and few mechanical devices are produced in which the margin of safety and failure is so…

U.S. Patent Specifications

In a unit for controlling aircraft equipment a casing, a main sliding control valve for said equipment mounted in said casing, said casing being formed to include a bellows…