February 1, 1917

February 1, 1917

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The Trend of Design in Foreign Aeronautic Engines

By Frank H. Trego

Progress of the Aviation Section

Course in Aerodynamics and Airplane Design

By Alexander Klemin,T. H. Huff

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2829

The Trend of Design in Foreign Aeronautic Engines

Owing to the confidential character of the information upon which the compilation of the accompanying charts is based, it is not advisable to give the names of the thirteen engines considered, but it may be stated that the revolving type has been eliminated and none but the fixed type are employed in compiling the various diagrams.

By Frank H. Trego

3031

Progress of the Aviation Section

A semi-official account of the work being done by the Aviation Section, Signal Corps, U. S. A., indicates in a the great strides that have been made in American Military Aeronautics since the President signed, at the end of last August, the appropriation bill carrying $13,281,666 for military aeronautics.
3031

Course in Aerodynamics and Airplane Design

Resistance Computations Preliminary Wing Selections

By Alexander Klemin,T. H. Huff

3637

TABLE OF CHARACTERISTICS OF AMERICAN AIRPLANES

Amer. Aircraft Co. of Ind. 48'7½" 35'0" 5'6" 6'C" 25'0" T. 1600 930 Atl. Aircraft Co. Twin.... 48'0" 48' 6' 7' 28'6' 0° 0° 0° 550 sq. ft. Both T. 4 wheel 2 Aeroma2 rine 85 H.P. Aeromarine M-1 37'0" 33'0" 420 sq. ft. T. 2 wheel 100 H.P. 2 Benoist H-1 45'0" 45'0" 5'3" 5'0" 24'0" 0° 0° 0° 455 sq. ft. Upper T. 2 or 3 Roberts 1700 600
3839

Curtiss Aeroplane and Motor Corporation

3435

AERONAUTICS FOR 1917

ANY forecast ot the developments likely to take place in the aeronautical industry this year is extremely dangerous because the possibilities of the industry are unlimited. Primarily, however, the development for 1917 is likely to be of a military character.
5455

The Sperry Gyroscope Company

2829

Aerial Navigation Over Water

In a paper presented to the Society of Automobile Engineers, Elmer A. Sperry called attention to the faults of the magnetic compass for aeronautical work, the most serious of these being its inaccuracy when the machine is banked, and its tendency to lag in action, due to the swirling of the liquid in the bowl.
4243

Wright-Martin Aircraft Corporation

4647

Thomas-Morse Aircraft Corporation

January 151917 February 151917