October 29, 1923

October 29, 1923

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Gliding Theory and the Operation of Gliders

By ALEXANDER KLEMIN20 min

U. S. ARMY AND NAVY AIR FORCES

AIRPORTS AND AIRWAYS

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Gliding Theory and the Operation of Gliders

The best glider pilots maneuver their craft by instinct. Yet a statement of some of the underlying aerodynamic principles may be of interest to such pilots. PART 1. GLIDING IN STILL AIR Best Angle of Glide In Fig 1 is represented a glider, gliding on a path inclined to the horizon, in still air.

By ALEXANDER KLEMIN20 min

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U. S. ARMY AND NAVY AIR FORCES

Owing to the pressure of business incident to the National Air Races at St. Louis, only a brief notice could be given in these columns to the accidental death of Lieut. Robert S. Olmstead and Lieut. John W. Shoptaw, pilot and aide of the Army balloon S6, in the Gordon Bennett race.
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AIRPORTS AND AIRWAYS

Proof that the air mail service dates back into the ancient civilization of China is afforded by the Chinese postal flag as now used by the Far Eastern nation. The flag is unusual in design and history. With a flying goose as its central feature, this banner tells the story of the first air mail, which was a very early forerunner of the transcontinental air mail service of the U. S. Post Office Department.
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Aeromarine Model AMC Commercial Flying Boat

Features of New Commercial Passenger Carrier Based on Air Line Operation
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Editorials

Needed — An Air Defense Commission

THE following letter has been sent to President Coolidge by AVIATION: “The defenseless condition of the United States from air attack has resulted mainly from three causes. 1. Lack of a civilian exponent of our aerial needs in your advisory circle. 2. Lack of any continuing national aircraft policy.
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New Arctic Flying Expedition

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The Publisher’s News Letter

It has been gratifying to receive the many expressions of approval concerning the account of the races at St. Louis that appeared in AVIATION. With almost the same pressure of time that newspapers are put together, the details of each race were written and with the usual exception which proves the rule the speeds were accurately printed.
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Book Reviews

VOM FLIEGEN (Flying) By Prof. Kurt Wegener. 104 pp., 17 figs. (R. Oldenbourg, Munich and Berlin.) A most interesting little book written from the standpoint of the flier, who is not a technical man and wishes to avoid formulae yet is anxious to obtain a clear understanding of the many practical problems connected with flying.
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Final Gordon Bennett Results

October 221923 November 51923