Boeing Y1B-20

Boeing Y1B-20
General information
TypeHeavy bomber
ManufacturerBoeing
StatusCancelled
Primary userUnited States Army Air Forces
Number built0
History
First flightn/a
Developed fromBoeing XB-15

The Boeing Y1B-20 (Boeing 316) was designed as an improvement on the Boeing XB-15. It was slightly larger than its predecessor, and was intended to use much more powerful engines. It was presented to the Army in early 1938, and two orders were placed soon after. The order was reversed before construction began.

Despite their cancellation, the XB-15 and Y1B-20 laid the groundwork for the Boeing B-29 Superfortress.

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