May 1, 1922

May 1, 1922

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Seaplane Facilities on the Atlantic Coast

ARMY AND NAVY AIR NEWS

A Theory and its Proof

By G. A. Spratt6 min

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Seaplane Facilities on the Atlantic Coast

Thirty-nine Landing Places for Seaplanes Listed In Survey Issued by National Advisory Committee
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ARMY AND NAVY AIR NEWS

Air Service Recruiting—The present authorized strength of the Air Service is 10.300 enlisted men, while the approximate number now enlisted in the Service is 9400. A large number of its experienced men, however, will be separated from the Service in the next two or three months, due to the expiration of enlistments.
510511

A Theory and its Proof

Early in the development period of the airplane the surface of circularly arched curvature was found to be ‘tricky’ and ‘unsafe.’ The distance of the travel of the center of pressure and its peculiar manner of reversal was accepted as the cause and the parabolic curvature was universally used, for upon it the shifting of the pressure center was found to be much less.

By G. A. Spratt6 min

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Eliminating Fires in Airplanes

Special Study of the Subject by the Air Service Shows Considerable Progress Made in Past Year

By C. H. Butman6 min

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The Wright 6-Cylinder Airship Engine

First American High Power Airship Engine Develops 350-400 hp. and has Low Fuel and Oil Consumption
504505

Starting Aircraft Engines at Low Temperatures

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The Wibault Night Bombing Biplane

French Two-Seater Fitted with 600 hp. Renault Engine Has Useful Load to Total Weight Ratio of 52 per cent

By John Jay Ide3 min

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Meeting of N.A.C.A.

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Foreign News

Australia—An English correspondent states that arrangements are being made by the Australian Government to establish this year two aerial defense bases, in Victoria and New South Wales. Developments in this direction have recently been facilitated by the acquisition by the Commonwealth Government of 128 airplanes of various types as a gift from the British Government.
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Properties of Metals and Alloys at Low Temperatures

At the meeting of the French Academy of Sciences on Feb. 6, M. Henry Le Chatelier presented a note from MM. Leon Guillet and Jean Cournot on this subject, which is as follows: We have made a number of tests with the view of determining the influence of low temperatures on the hardness and resilience of certain metallurgical products.
April 241922 May 81922