Aircraft Engineering and Aerospace Technology: Volume 15 Issue 6

CIVIL AVIATION

SINCE we wrote last month, Civil Aviation has come definitely into the forefront of the news. An (or should it be “ The ”?) Independent Committee on The Future of Civil Aviation…

Engine Crankshaft Frequency Curves

J. Morris, W.J. Evans

OWING to vibration troubles which occasionally arise in engine crankshaft propeller systems, it has become necessary to investigate such possibilities in the design stage. In this…

Fluid Flow Through Restrictions

L.S. Greenland

IN view of the extensive employment of fluids in the operation and control of modern aero‐engines and aircraft equipment, it is essential that a clear understanding of the laws…

The I.Ae.S. Annual Meetings

Alexander Klemin

THE eleventh annual meeting of the Institute was for the first time held simultaneously in three centres—in New York City at Columbia University, in Detroit at Rackham Educational…

A Radio Flight‐Test Recorder: Observations Made in the Aeroplane Recorded on the Ground

Harry Wilkin Perry

ALL essential data on operation, performance and stresses of a new‐model aircraft in flight test are picked up, transmitted and recorded automatically by a radio system developed…

SAMPLING INSPECTION & QUALITY DETERMINATION

H. Rissik

THE first part of this article, published in last month's issue of AIRCRAFT ENGINEERING, outlined the operation of the non‐statistical method of sampling inspection commonly met…

Tools for the Workshop

The Venwick Contour Projector (Fig. 1) THIS instrument is mounted on a cast iron frame under which is fitted the tubular undercarriage which is supported by four substantial…

U.S. Patent Specifications

A hollow metal blade for a controllable‐pitch propeller having an integral base end flange formed to provide an annular thrust bearing race on one side thereof and a closely…