April 1, 1942

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AVIATION MANUFACTURING

Strength Analysis of Riveted and Bolted Joints

This is Part I of an article describing the method by which the strength of riveted and bolted joints is calculated by the aircraft structural engineer.

By WAYNE A. McGOWAN20 min

AVIATION MANUFACTURING

Correct Methods of Plexiglas Installation

MANY of the first Plexiglas installations in military aircraft are still seeing active service. Time and sun and weather have made only minor inroads on the transparency and dimensions of the material, changes of only academic interest. Plexiglas has proved its permanence even under severe weather conditions— provided, however, that it has been properly installed.

By Dr. D. S. FREDERICK20 min

118

NEW PRODUCTS

New Products and Equipment for the Aviation Industry

With the clearance heights of both military and commercial hangars ranging from 35 to 50 ft. for the larger airplanes, an important development in connection with the lighting of these hangars is the Thompson Disconnecting and Lowering Fixture Hangers.

166

THE AVIATION NEWS

National Aviation

Washington (AVIATION Bureau) —Preparing to take the aggressive against the enemy as soon as rising armament production has reached the desired level, Commander in Chief Roosevelt has drastically reorganized the Army for modern action.

AVIATION MANUFACTURING

Producing Struts for the P-38

This article on the production of landing gear struts for the Lockheed P-38 interceptor is a dramatic illustration of the contribution which can be made to military aircraft production through subcontracting-

By WILBUR G. WOOD10 min

148

FLYING EQUIPMENT

Aviation's Long Tax Road

TAX NEWS will occupy the limelight during the months ahead. The Treasury Department’s outline for record-breaking tax bill is believed represent the most severe proposal be presented for consideration. Congress, from all indications, entertains more lenient ideas—relatively speaking, on taxation.

By SELIG ALTSCHUL10 min

102

AVIATION MANUFACTURING

Synthetic Resins in Construction

PART II . . . In part I, appearing in the March, 1942, issue of AVIATION, the author described the background of modern wood construction. Now, in the following article, some interesting and useful test results of synthetic resin bonding in wood construction are discussed.

By H. N. HAUT10 min

AVIATION MANUFACTURING

Design Charts for Tubes Subjected to Bending

Design engineers will welcome this simplified method of determining wall thickness of tubes subject to bending to yield a desired margin of safety. This method eliminates the necessity for computing section modulus, fiber stress, and modulus of rupture.

By WALTER C. CLAYTON10 min

172

THE AVIATION NEWS

Aviation Manufacturing

Washington (AVIATION Bureau)—Army and Navy war planes now carry an A-l-a priority rating. People who took the trouble to read this news were amazed; they had supposed that fighting planes were at the top of the preference list all the time.

190

THE AVIATION NEWS

Aviation Finance

DEFENSE AUTHORITIES state that the aircraft war production program is fully up to schedule. This means, if things continue to go well, that the output of the aircraft manufacturing industry this year will run between 5 and 6 billion dollars as compared with the record delivery volume of 1.6 dollars in 1941.

By RAYMOND HOADLEY9 min

March 11942

May 11942

April 1, 1942

April 1, 1942