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The High-Speed Characteristics of Several Flaps and Spoilers on the Upper Surface of the Horizontal Stabilizer of a Model of a Radial-Engine Pursuit Airplane
Report discussing an investigation into several types and sizes of flaps and spoilers located forward of the elevators on the upper surface of the horizontal stabilizer of a model of a radial-engine pursuit airplane. Information about the elevator characteristics, elevator-fixed and elevator-free balance lift coefficient, and trim drag coefficient for a range of Mach numbers is provided.
Date:
January 21, 1946
Creator:
Boddy, Lee E.
System:
The UNT Digital Library
Relation Between Fuel Economy and Crank Angle for the Maximum Rate of Pressure Rise
Report discussing an investigation to determine whether the crank angle for maximum rate of pressure rise can be used to indicate maximum-economy spark advance. Information about spark-advance tests at constant inlet-air pressure and fuel-air-ratio test results are provided.
Date:
May 21, 1945
Creator:
Cook, Harvey A. & Brightwell, Virginia L.
System:
The UNT Digital Library
Measurements of the flying qualities of a Bell P-39D-1 airplane (AAF NO. 41-28378)
Report discussing an investigation of the flight qualities of the Bell P-39D-1 airplane. Information about the longitudinal stability and control characteristics, lateral and directional stability and control, stalling characteristics, and control friction is provided.
Date:
September 21, 1943
Creator:
Johnson, Harold I.; Liddell, C. J. & Hoover, H. H.
System:
The UNT Digital Library
Knock-Limited Performance of Blends of AN-F-28 Fuel Containing 2 Percent Aromatic Amines 4
Report discussing tests on the effect of 2-percent additions of 13 aromatic amines on the knock-limited performance of 28-R fuel in a CFR engine. The amines tested gave good rich mixture response at standard F-4 operating conditions, but were sensitive to engine severity at lean fuel-air ratios.
Date:
December 21, 1944
Creator:
Alquist, Henry E. & Tower, Leonard K.
System:
The UNT Digital Library