June 15, 1925

June 15, 1925

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The Design of Air-Cooled Cylinders

By C. FAYETTE TAYLOR18 min

General Patrick on Independent Air Force

UNITED STATES AIR FORCES

U. S. ARMY AIR SERVICE

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The Design of Air-Cooled Cylinders

The cooling of the cylinder barrel below the combustion chamber is largely a problem of proper cooling fin design. The remarks on fin design which follow are applicable not only to the cylinder barrel, but to the combustion chamber walls and ports.

By C. FAYETTE TAYLOR18 min

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General Patrick on Independent Air Force

Separation from Army Now. Unification with Naval Aviation Ultimately
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UNITED STATES AIR FORCES

U. S. ARMY AIR SERVICE

An important aerial photographic activity is going on at Pope Field, Fort Bragg, N. C. The Field Artillery Board are trying to reduce the use of aerial photographs for computing firing data to such a practical basis that it may be incorporated in the Field Artillery Training Regulations.
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Royal Air Force has Engineering Problems

Credit Given to British Aircraft Industry for Engineering Progress
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National Guard Cross Country Meet

MAJ. W. D. TIPTON
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W. I. Glover to be new Air Mail Chief

President Coolidge has announced the appointment of Honorable W. Irving Glover, Third Assistant Postmaster General, Post Office Department, to be Second Assistant Postmaster General to take effect August 1, 1925. As the second Assistant Postmaster General has charge of all transportation of the mails, the Air Mail comes under his direction.
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AIRPORTS AND AIRWAYS

Cleveland, Ohio

By Cy Caldwell4 min

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Publisher’s News Letter

The success of the German cross country race will give rise to much discussion as to whether or not this is not the ulimate form that all air races will take. The race occupied several days and covered several cross country courses so that a large number of different cities could participate in the affair.

By L.D.G.4 min

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Editorials

Real Leadership

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AIRPORTS AND AIRWAYS

Minneapolis, Minn.

By Art Pierce2 min

June 81925 June 221925