Boeing XB-38 Flying Fortress Boeing XB-38 Flying Fortress The XB-38 Flying Fortress was a single example conversion of a production B-17E Flying Fortress, testing whether the Allison V-1710 V type engine could be substituted for the standard Wright R-1820 radial engine during early World War II. The XB-38 was the result of a modification project undertaken by Boeing and Vega (a subsidiary of Lockheed) on a B-17 Flying Fortress to fit it with liquid-cooled Allison V-1710-89 Vee engine. It was meant as an improved version of the B-17, and a variant that could be used if air-cooled Wright R-1820 radial engines became scarce. Completing
Bomber Aircrew in World War II form of war. There is also a full account of all of Bomber Command’s Victoria Cross awards. Reviewers have noted that the book also features previously unpublished photographs. Bomber Aircrew in World War II "Bomber Aircrew of World War II: True Stories of Frontline Air Combat" () is a book by military historian and author Bruce Barrymore Halpenny. It is about the aircrew of RAF Bomber Command in World War II. This group had over 300,000 operations flying over enemy territory during the war, losing 50,000 airmen and 8,000 British aircraft. The book has first hand accounts by veteran RAF