The Douglas XB-19A bomber photographed at Davis-Monthan Air Force Base, Arizona. (U.S. Air Force Photograph.)
Tag - experimental
The Douglas XB-42 Mixmaster experimental aircraft was designed with two engines in the fuselage driving a pair of contra-rotating propellers mounted at the rear in a pusher configuration. Two prototypes were built, before the...
B-24 Liberator aircraft used for testing the 24-C jet engine. (NASA Photograph.)
Experimental North American P-51D Mustang with pulsejets mounted under the wings. (U.S. Air Force Photograph.)
