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Use of Helium in Airships
Economic and safety factors are discussed in relation to a switch from hydrogen to helium in airships.
Date:
June 1923
Creator:
Crocco, G. Arturo
Object Type:
Report
System:
The UNT Digital Library
Vertical Descent of the Autogiro
The purpose of this report is to show that only part of the system of rotating blades really is in the "windmill decelerating attitude" when the profile drag is sufficiently low. This particular part receives more torque from the air loads than can be absorbed by the profile drag. As a result thereof the rotating autogiro blade, when its torque is zero, is in part a propeller which functions in the "annular vortex attitude.".
Date:
June 1932
Creator:
Bennett, J. A.
Object Type:
Report
System:
The UNT Digital Library
Wood Versus Metal in Airplane Construction
The aim of this article is to present, in broad outline, a scientific method for solving the problem, "Wood or Metal." It will be shown that structural methods have by no means reached their final perfection. The strength of the different materials is discussed as well as different construction methods.
Date:
June 1923
Creator:
Seehase, H.
Object Type:
Report
System:
The UNT Digital Library
Wood Versus Metal in Airplane Construction
The aim of this article is to present, in broad outline, a scientific method for solving the problem, "Wood or Metal." It will be shown that structural methods have by no means reached their final perfection. The strength of the different materials is discussed as well as different construction methods.
Date:
June 1923
Creator:
Seehase, H.
Object Type:
Report
System:
The UNT Digital Library
The World's Air Transportation Services: Data as to Passengers, Mail, and Goods Carried by American and European Transportation Services
This report presents detailed descriptions, statistics, and graphs on European and American air transport. The European countries listed are Belgium, Czecho-Slovakia, Denmark, France, Germany, Great Britain, Holland, and Italy.
Date:
June 1922
Creator:
Office of Aeronautical Intelligence
Object Type:
Report
System:
The UNT Digital Library