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Flight Research at High Altitudes and High Speeds with Rocket-Propelled Research Airplanes
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English
Abstract
AMONG outstanding problems facing designers of high-speed, high-altitude planes, the author says, are:
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1.
Deterioration of directional stability with Mach number.
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2.
Loss in damping and increase in airplane natural period with altitude.
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3.
Coupling of effects of inertia and aerodynamic characteristics of planes.
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4.
Aerodynamic heating.
These and many other specific problems are being investigated in the 12-year-old program reported here. Its value, the author feels, lies chiefly in the confidence it gives designers and operators of high-speed planes, the backlog of data it builds up for use in future investigations, and the added focus it lends to the work of research scientists in the field.