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 […]