June 15, 1929

Aeronautical Engineering Section

Steel Aircraft Construction in Great Britain

Aeronautical Engineering Section

Analysis of the Wing and Other Indeterminate Structures

Ford Motor Company and American Aeronautic Development

Aeronautical Engineering Section

Steel Aircraft Construction in Great Britain

OF THE materials commonly used in the construction of aircraft, steel ranks second only to spruce in the extent of its use. It is therefore somewhat remarkable that, at a time when the airplane manufacturers of the whole world are turning from timber to metal as their main structural material, only one nation has really seriously tackled the problem of using steel as a substitute for spruce.

Aeronautical Engineering Section

Analysis of the Wing and Other Indeterminate Structures

EVERY system in which the external reactions given by the supports, or the loads in the internal members, cannot be determined by an elementary distribution of given forces, i.e., by the rules of statics, is called a statically indeterminate system.


Ford Motor Company and American Aeronautic Development

The Trials, Tribulations and Successes of William B. Stout . . . “the Man Who Sold Henry Ford on the Airplane”


The General Airplanes "Aristocrat” Cabin Monoplane

FOLLOWING a long period of service tests in accord with its policy regarding new models, the General Airplanes Corporation, Buffalo, N. Y., has started production of the “Aristocrat” cabin monoplane. During the tests, which have been in progress since the first plane was completed in July, 1928, the craft has been flown by about 60 pilots and has had 90 hr. or 8,100 mi. in cross country service.

Air Transport Progress in the United States

An Exceptionally Interesting Description Present Conditions and of How We Have Profited from the Experiences of European Airway Operators


Aircraft Control of Lighting for Emergency Landing Fields

AMONG the noticeable tendencies in the growth of aviation is the increased attention placed on suitable landing fields. With the acquisition of numerous landing fields, and the resulting necessity for lighting equipment, a new problem presents itself.

Aeronautical Engineering Section

Intercrystalline Corrosion of Duralumin

"AN ARTICLE on “The Dust Nuisance and Its Elimination” published in the December 12, 1928, issue of AVIATION, recommends calcium chloride as a dust-laying agent and states that it is not injurious to materials. There is no doubt that calcium chloride is a good dust-laying material but calcium chloride and other chlorides, as well as calcium salts promote intercrystalline corrosion of duralumin.


Report Additional Airport Construction

Development Work Continues in Many Places


H. L. BALDERSTON, formerly of the American Paulin System, Inc., Los Angeles, has been placed in charge of organizing dealers, distributors and special service stations for the Pioneer Instrument Company. JAMES H. STEENSON has been appointed sales engineer of General Airplanes Corporation of Buffalo, N. Y. WILLIAM F. CENTNER, of the Aeronautics Branch, has been appointed superintendent of Port Columbus Municipal Airport.
Aeronautical Engineering Section

Notes on the Design of Ailerons

A STUDY of the control surfaces being used on many of the recent airplanes shows a general lack of appreciation of the importance of providing the best obtainable control characteristics. The continued use of inferior designs may be due partly to the necessity of depending principally on empirical data and experience because of the absence of any satisfactory design theory.

June 81929 June 221929