With the arrival of the turbojet engine in the years around WWII, it only made sense to attach a propeller to the spinning turbine shaft to make a turboprop. Early turboprop engines such as the Pratt & Whitney T-34, Wright XT-35 and Allison T-38 were all flight tested on a trio of surplus Flying Fortresses, which received the designation EB-17G or JB-17G.

Note the right rudder deflection due to the massive amounts of torque generated by the T34.

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Somebody had fun with Photoshop and removed the original engines. It looks pretty amazing, and it absolutely would have flown. The single turboprop provided as much or more power as all four Wright Cyclones.

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For more information on these B-17 conversions, click here.
(H/T to Skyfire77 for finding the link!)


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