May 30, 1927

May 30, 1927

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Metal Propeller Development

Metal Propeller Development

By E. G. MCCAULEY16 min

Geared Down Propell ers and the Efficiency of Commercial Airplanes

Geared Down Propell ers and the Efficiency of Commerci al Airplanes

By RICHARD M. MOCK12 min

Night Flying Equipment for the Airdrome - Part II

Night Flying Equipment for the Airdrome - Part II

By WILBUR T. HARDING11 min

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Metal Propeller Development

Metal Propeller Development

Extensive Test Work Responsible for Present Efficiency of Metal Propellers for Aircraft Use

By E. G. MCCAULEY16 min

11401141
Geared Down Propell ers and the Efficiency of Commercial Airplanes

Geared Down Propell ers and the Efficiency of Commerci al Airplanes

Better Performance Attained in Spite of the Increased Weight.

By RICHARD M. MOCK12 min

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Night Flying Equipment for the Airdrome - Part II

Night Flying Equipment for the Airdrome - Part II

Landing Field Floodlights—A Discussion of the Various Methods of Floodlighting, Comparing Merits

By WILBUR T. HARDING11 min

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UNITED STATES AIR FORCES

UNITED STATES AIR FORCES

A captive balloon was inflated and placed northwest of the Airship Hangar, Langley Field, Va., at 1500 ft. altitude as a target for pursuit training in the attack of an observation balloon. This aerial gunnery was held by the students of the Air Corps Tactical School, and thirteen pursuit planes, including SE-5’s, AT-4’s and P-1’s were used in this attack.
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Aviation Signalling and Safety

Aviation Signalling and Safety

The Value of Pyrotechnic Signal Systems in Aircraft Operation Particularly in Airport Control Work

By W. V. GILBERT9 min

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The Aircraft Display at Bolling Field

The Aircraft Display at Bolling Field

Concluding List of Aircraft Accessory Manufacturers Who Exhibited. Analysis Reflects Wide Expansion of Industry.
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NEWS ARTICLES AND ITEMS

New York-Paris Flight a Reality

Capt. Charles A. Lindbergh Makes First Successful Non-Stop Flight. Feat Stirs World.
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The Recent Air Records

The Recent Air Records

Value and Importance of Air-Cooled Engine Development is Reflected in Record Performances

By COMDR. E. E. WILSON7 min

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Spinning Tests on Observation Planes-McCook Field

Spinning Tests on Observation Planes-McCook Field

THAT THE air is still new territory to be conquered is exemplified by the divergence of fact and theory not infrequently encountered in solving some of its ever outcropping problems. An example of such divergence has recently been brought to light in the tests being conducted to determine the cause of the unsatisfactory characteristics in recovery from spinning of one of the newer types of observation airplanes.
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A New Kind of Three-Purpose Plane

A New Kind of Three-Purpose Plane

Glenn L. Martin Model 74 Three-Purpose Navy Plane Pioneers High-Power Air-Cooled Engine Class. Pratt & Whitney Hornet Engine Installed and Outstanding Performance is Attained.
May 231927 June 61927