August 1, 1920

Naval Architecture in Aeronautics

Dynamic Lift and Ceiling for Airships

Variable Wing Area and Variable Camber

1011

Naval Architecture in Aeronautics

As an American, I am pleased to have been asked to read the Wilbur Wright Lecture for this year, and for a moment to stand in the reflected glory of my eminent countryman. Wilbur and Orville Wright were the pioneers who blazed the trail, and made the first clearing in the wilderness.

1617

Dynamic Lift and Ceiling for Airships

Dynamic Lift in a Typical Rigid Airship The model of the rigid airship R 23 in which tests were made is shown in Fig. 3. MAIN MODEL 1/133.4 DIMENSIONS. FULL SIZE. FULL SIZE. Total length.............. 48.15 in. 535 ft. Maximum diameter ....... 4.73 in. . 53 ft.
1819

Variable Wing Area and Variable Camber

The extremely rapid progress which the science of aeronautics has made during the last decade has led many to take it for granted that progress will be equally if not much more rapid in the near future. In the light of the present state of knowledge regarding aircraft the writer is of the opinion that the probabilities of the case do not, however, point in this direction.

2627

Tropical Exposure of Airship Fabric

In the middle of 1914 Commodore Sueter sent for test a strip of treble fabric, similar to that used on H. M. A. “Parseval,” one half of which had been doped with an aluminum dust composition, the other half being left yellow. This sample had been exposed for a month to the weather at Berbera (Somaliland Protectorate).

2021

Tests of Fireproof Airplane Dope and Equipment

Object To determine whether the fireproof airplane dope and the fireproof airplane equipment, consisting of a flying suit and gasoline tank, invented by Parker R. Bradley, of the Aircraft Fireproofing Corp., Nutley, New Jersey, are non-inflammable.
2627

Disposition of Power Plants on Airships

In a broad sense, nearly all the structural problems of airship design are due directly or indirectly to the power plants. One of the greatest of these is concerned with the mere location of power units on a large airship. The difficulty is due to the following conditions:—

2425

Automatic Cinematograph for Aerial Surveying

During the last years of the Great War German aviators achieved some remarkable results in aerial mapping in connection with observation flights. This was made possible by the so-called Series Topograph, a cinematograph camera which on a roll of film automatically produces a series of view’s of the ground flown over.

89
Editorial

Editorial

2223

Book Review

ALL THE WORLD’S AIRCRAFT, 1919. Edited and compiled by C. G. Grey. With all the world’s aeroplanes, aero-engines and airships. Sampson Low, Marston & Co., London and Edinburgh. One who is not familiar with previous editions of this book will wonder at its imposing title, which however is justified to a surprising extent.
89
Editorial

Effects of Monoplane Popularity

July 151920 August 151920