June 13, 1921

June 13, 1921

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Airplane Perfomance and Design Charts

By L. V. Kerber17 min

“Who’s Who in American Aeronautics”

The Morgantown Crash

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More Features
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Airplane Perfomance and Design Charts

The subject matter of the present report is a graphical solution of an empirical-theoretical method of predicting the performance of an airplane, of which are known the weight, area, horsepower and external characteristics, and, by corollary, a method for determining the weight and area of an airplane of given horsepower and external characteristics, which is to be designed to realize a particular performance The example which serves as an illustration of this method, m order to he of practical value in this country, is consistent with the Standard Atmosphere” adopted by the Engineering Division and with the shape of the lift/drag against lift curves characteristic of airplanes equipped with present day aerofoils.

By L. V. Kerber17 min

752753

“Who’s Who in American Aeronautics”

O’NEILL, RALPH A., Chief, Mexican Air Force; born, Durango, Mex., Dec. 7, 1891; son of Ralph Lawrence O’Neil and Dolores (Avila) O'Neil; married, Priscilla Eileen Wilson, Jan. 31, 1919. Educated: Primary private school; El Paso high school; Lehigh University, non-grad. met. 1919, special student.
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The Morgantown Crash

AVIATION AND AIRCRAFT JOURNAL deeply regrets to have to chronicle by far the worst accident that has yet befallen American aviation. On Saturday, May 28, a Curtiss-Eagle ambulance airplane of the Army Air Service which was flying from Langley Field Hampton, Va., to Bolling Field, Washington, D. C., was caught in a violent electrical and wind storm and crashed near Morgantown, Md.
744745

French Aviation in 1921

France is endeavoring more and more to put into practice what General Hirscliauer expressed when addressing the French Senate he said: “We should no longer say: Si vis pacem, para bellum (If you want peace prepare for war) but Si vis vacem serva coelum (If you want peace, hold the sky.)”

By Captain de Lavergne9 min

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Directory of Air Service Activity

STATIONS AND ACTIVITIES UNDER JURISDICTION OF CHIEF OF AIR SERVICE Akron, Ohio Amerieus, Ga. San Antonio, Tex. Buffalo,N. Y. Rant oui I11. Arcadia, Fla. Chicago, I11. Buffalo, N. Y. Detroit, Mich Fairfield, Ohio Houston, Tex. Hampton, Va.
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Cloud-Flying Instrument Board

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Landing Field Notes

Milford, Iowa, has a permanent airdrome one-half mile N. of Milford and one-half mile S. of Lake Okoboji. This field which is operated by Donaldson Bros. Aero Show, agents for Curtiss airplanes and exhibition contractors, was opened in January 1919.
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Notice to Airmen (Canada)

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Editorials

The Lesson of Morgantown

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Properties of Aerofoil Sections N.A.C.A. Report No. 93

June 61921 June 201921