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Drilling in the Monument Valley Area, San Juan County, Utah and Navajo County, Arizona
Abstract: Napier Drilling Company of Dallas, Texas drilled 53,998.0 feet for exploration purposes, under Contract No. AT(05-1)-256. This footage was drilled in 508 holes during the period from June 21, 1954 through May 13, 1955.
Date:
June 7, 1957
Creator:
Presley, C. K.
System:
The UNT Digital Library
Recent Data on Tire Friction During Landing
"An investigation was made at the Langley landing-loads track to obtain data on the coefficient of friction during wheel spin-up. A landing gear was tested at horizontal velocities ranging from 0 to 180 feet per second together with vertical velocities of 7.0 and 9.3 feet per second. The results indicate the effect of forward speed and tire inflation pressure on the coefficient of friction" (p. 1).
Date:
June 7, 1957
Creator:
Batterson, Sidney A.
System:
The UNT Digital Library
Investigation of boundary-layer transition on flat-faced bodies of revolution at high supersonic speeds
An experimental investigation was carried out to determine the boundary-layer transition characteristics of bodies of revolution with flat and nearly flat faces. Shadowgraphs indicated that the boundary layer remained laminar on the front faces and was turbulent only on the sides. The tests also yielded information on the total drag coefficients and static longitudinal stability of the models.
Date:
June 7, 1957
Creator:
Canning, Thomas N. & Sommer, Simon C.
System:
The UNT Digital Library