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Center of pressure coefficients for airfoils at high speeds
"It has been customary to calculate the strength of the rear wing beam for the 'high speed' condition on the assumption that the center of pressure was at 0.50 of the wing chord. It can be shown that this assumption is not justified, regardless of the utility of a 'high speed' condition in strength calculations" (p. 1).
Date:
April 1922
Creator:
Diehl, W. S.
System:
The UNT Digital Library
Notes on Propeller Design 2:The Distribution of Thrust Over a Propeller Blade
The best distribution of the thrust over the length of the propeller blade is investigated, taking into account chiefly the slipstream loss and the friction between the blades and the air.
Date:
April 1922
Creator:
Munk, Max M.
System:
The UNT Digital Library
Notes on Propeller Design 1: The Energy Losses of the Propeller
The different kinds of energy losses of the propeller and the values of the constants determining them are discussed.
Date:
April 1922
Creator:
Munk, Max M.
System:
The UNT Digital Library
Full Scale Determination of the Lift and Drag of a Seaplane
The speed, barometric pressure, and number of revolutions of the engine of a seaplane were measured, including tests with stopped engine. The mean data obtained are given in the following note; the results of the gliding tests are used for the computation of the lift and drag coefficients, and by making use of them the results of the engine flights are used for the computation of the propeller efficiency.
Date:
April 1922
Creator:
Munk, Max M.
System:
The UNT Digital Library
The Background of Detonation
Note presenting a determination of the relative merits of various fuels for use in high compress engines. The main purpose is to discuss a phase that has not been given much attention in previous studies; specifically, the standpoint of the influence of charge temperatures and pressures on the temperatures and pressures after combustion.
Date:
April 1922
Creator:
Sparrow, Stanwood W.
System:
The UNT Digital Library