Aircraft Engineering and Aerospace Technology: Volume 7 Issue 3

The Compression‐Ignition Engine: The Present Position of an Engine of the Future

AMONG the less well‐known activities of the Royal Aeronautical Society is the administration of a number of funds which endow prizes to encourage the production of technical…

The Heavy‐Oil Aero‐Engine: A Summary of the Development of the Type from Early Akroyd Stuart and Diesel Designs

E. Chatterton

IN the year 1890, Herbert Akroyd Stuart took out a British patent in which, for the first time, mention is made of an engine which may be said to bear some resemblance to the…

Airscrew Oscillations: The Results of some German Investigations with a Method for Calculating Frequencies

M. Hansen, G. Mesmer

AS one of the most important parts of an aeroplane, an airscrew must be designed L in such a way as to prevent all avoidable risk of damage. Serious danger may be incurred, by…

A New Pratt & Whitney Engine: The 550 Horse‐Power Single Row Nine‐Cylinder H. Wasp Described and Illustrated

THE Pratt & Whitney Co. has recently brought out a new engine—the Series H. Wasp. It embodies the principal features of previous engines of this type, but also incorporates…

Gliding Flight in Germany: Summaries of an Interesting Series of Papers Read at a Recent German Conference

ON September 21st and 22nd, 1934, a conference was held in Munich by the V.L.F. (Vereinigung für Luftfahrtforschung) Committee for soaring flight. The aim of the V.L.F. is to…

Air Ministry Official Notices: Instructions to Aeroplane Owners and Ground Engineers on Essential Modifications

No. 4 of the year 1935 Whenever diaphragm type fuel pumps are dismantled, a very close inspection of the diaphragms should be effected, and if signs of deterioration are present…

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…

Month in the Patent Office: A Selection of the More Important Aircraft and Engine Specifications Published Recently

In an evaporative cooling system in which liquid is circulated through the cylinder jackets and piping a5, a2 by a pump a3, and vapour is collected in a dome a6 and conveyed to a…