Sep 272011
Boeing XB-44 Superfortress

The photos in the gallery above depict the Boeing/Pratt & Whitney XB-44 Superfortress, a B-29A-5-BN (s/n 42-93845) upgraded with Pratt & Whitney R-4360-33 Wasp Major radial engines of 3,000 hp each. These replaced the Wright R-3350 production engines rated at 2,200 hp each. The XB-44 program was initiated in mid-1943, when Pratt & Whitney proposed […]

Jul 262011
Boeing B-54A Mock-up Inspection (1948)

The Boeing B-54A was the planned production version of the YB-50C and the final development of the B-29 Superfortress. It was powered by improved R-4360 Variable Discharge Turbine (VDT) radial engines. Wing span was increased by approximately 20 feet, necessitating additional outrigger landing gear in the outer engine nacelles. The larger wing imposed heavier loads […]