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Cooling in Cruising Flight With Low Fuel-Air Ratios
Report presenting testing of a Pratt & Whitney R-1830-43 engine mounted in a B-24D nacelle in the full-scale wind tunnel in order to investigation the potential improvements of fuel economy. Suggestions for improving the cruising power and cruising range by operating at specified fuel-air ratios are provided.
Date:
June 1942
Creator:
Silverstein, Abe & Wilson, Herbert A., Jr.
System:
The UNT Digital Library
Free-spinning-tunnel tests of a 1/23.75-scale model of the Douglas DC-3 airplane
Report presenting testing of a model of the Douglas DC-3 airplane for several loading conditions. The load factor for the complete airplane, for the horizontal tail, and the force to start moving the elevator downward were estimated for some steady spins. Testing occurred at 2500 feet and 10,000 feet.
Date:
June 1942
Creator:
MacDougall, George F., Jr.
System:
The UNT Digital Library
Tests of four models representing intermediate sections of the XB-33 airplane including sections with slotted flap and ailerons
Report presenting testing in the two-dimensional tunnel of four models submitted by the Glenn L. Martin Company as intermediate sections of the wing of the XB-33 airplane. Each airfoil model had different types of flaps or no flaps at all. Results regarding the lift and drag data, lift coefficients, effect of flap positions, aileron effects, drag coefficients, and hinge-moment coefficients are provided.
Date:
June 1942
Creator:
Abbott, Ira H.
System:
The UNT Digital Library