Boeing XB-38 Flying Fortress - Wikipedia

B-17 Flying Fortress - Boeing

Given the transformative effect of switching from the Allison to the Rolls-Royce Merlin in the P-51 Mustang, was that ever tried with the Lockheed P-38 as well? - Quora

Were it not for the coming of the jet engine, could pairs of Spitfires have been usefully reconfigured along the lines of a single Lockheed P-38 Lightning? - Quora

Given the transformative effect of switching from the Allison to the Rolls-Royce Merlin in the P-51 Mustang, was that ever tried with the Lockheed P-38 as well? - Quora

Did the P51 Mustang have a Rolls-Royce engine? - Quora

List of Boeing B-17 Flying Fortress variants - Wikipedia

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Is the P51 Mustang really a British plane, since the airframe and design was really from a request by the British Government - while the engine was also from Rolls Royce? - Quora

b 17 with allison motors Aircraft of World War II - Forums

Boeing XB-38 Flying Fortress - Wikipedia

Flying Fortress on Steroids: The Intriguing Tale of Boeing XB-38 - Jets 'n' Props

Why did the Air Force decide to go with 8 Rolls Royce business jet engines, which seem smaller with the B-52 upgrade, than regular engines (like say from a Boeing 757 as