Aircraft Engineering and Aerospace Technology: Volume 27 Issue 2

Shaping Things to Come

WE congratulate the Southern Section of the Institution of Production Engineers on persisting in organizing conferences on aircraft production, in spite of some rather…

Augmenting Helicopter Take‐off Power by Ram‐jets: An Account of Progress in the U.S.A. with Blade‐tip Ram‐jets of Compact Design

R.T. DeVault

The problem of supplying additional power to a helicopter rotor for take‐off or hovering under overload, hot‐day or altitude conditions is discussed briefly, and the boost system…

Conference on Stresses due to Vibrations: Summaries of Papers Presented to a Conference Organized by the Stress Analysis Group of the Institute of Physics

THE 1954 specialist conference of the Stress Analysis Group of the Institute of Physics was held at Reading University on December 16 and 17, the subject being Stresses due to…

New Materials

The combination of rigidity, light weight, and thorough stabilization of the skins which is achieved by the use of a honeycomb core in sandwich structural components has made it a…

Energy Theorems and Structural Analysis: A Generalized Discourse with Applications on Energy Principles of Structural Analysis Including the Effects of Temperature and Non‐Linear Stress‐Strain Relations Part I. General Theory

J.H. Argyris

THE general theorems given in Sections 4 and 6 include, from the fundamental point of view, all that is required for the analysis of redundant structures. However, to facilitate…

The Library Shelf

R.N.L., B.R.N., E.G.B.

This book is an extension of a series of lectures given at the Institute of Aeronautics of the University of Brussels. It gives the aerodynamic theory of the helicopter rotor in…

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…

Auxiliary Equipment

A new actuator with a stroke of 18½ in. is being made by Plessey. It provides automatic control for door operation and similar applications where the movement given by…

Month in the Patent Office

Vertical lift and control forces are obtained in a jet‐propelled aircraft by diverting the propulsion jet through upwardly and downwardly directed branches 10,12 at the rear end…

U.S. Patent Specifications

A steering device for watercraft having a hull bottom with sides sloping inwardly and downwardly from the chine to the keel comprising a rudder forming in retracted position a…