Variants
- YB-9 (one produced). Pratt & Whitney R-1830-13 (575 hp). Reengined with supercharged Pratt & Whitney R-1830-11 (600 hp) and was fitted with three-bladed propellers. Trim tab ran the full height of the rudder
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- Boeing model B-215
- contract number: XB-901
- Y1B-9 (one produced). Curtiss GIV-1570 Conqueror (Curtis V-1570-29 Conqueror) (600 hp). Reengined with supercharged Pratt & Whitney R-1830-11 (600 hp) and was fitted with three-bladed propellers. Short trim tab on rudder.
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- Boeing model B-214
- Y1B-9A (five produced). Pratt & Whitney Y1G1SR-1860B (R-1860-11) (600 hp). Metal instead of fabric covering on the control surfaces. There were also many internal structural and equipment changes
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- Boeing model B-246
Read more about this topic: Boeing YB-9
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“Nationalist pride, like other variants of pride, can be a substitute for self-respect.”
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