The author, formerly AVIATION’S West Coast Editor, now associated with Al Menasco and his engine company, has had unusual opportunity to size up design trends at this year's National Air Races.
By Charles F. McReynolds18 min
New Light on the Panel Problem
A study of allowable compression in aluminum alloy sheets.
By Ernest J. A. Greenwood14 min
The designer of ships that have pioneered ocean routes discusses some of the problems of transoceanic flying equipment
By I. I. Sikorsky11 min
in flying school operation on sound business principles.
By J. B. Plosser8 min
An exchange of ideas on the problems of the commercial aviation industry
Why Not Raise the Ante?
PERIODS of industrial depression are usually marked by unusual advances in the productive arts. Prominent among those products which have been favorably affected by the beneficial influences of improved manufacturing technique is seamless steel tubing.
By J. P. Boore6 min
on the Comparative Physical Properties of Spot Welding Vs. Riveting of Aluminum Alloys in Productio
"HOW good is spot welding as compared with riveting?" This can be answered best by reference to the accompanying curves. Spot weld shear strengths increase somewhat in proportion to the thickness of stock whereas rivet strengths are approximately proportional to the stock thickness until the shear strength of the rivet is reached, after which the thickness of stock makes no difference.
By C. Weston Steward6 min
News of the Month
A flurry of ocean crossings brings two German survey planes, a round trip, and a feminine solo
October, traditional moving month, finds new tenants in the traffic offices of several of the airlines. United Air Lines has promoted R. F. AHRENS to district traffic manager at Chicago, after having served in the same capacity for six years at Seattle.