Like the Boeing XB-15, the Martin XB-16 (Martin Model 145) was designed to meet the United States Army Air Corps' request for a bomber that could carry 2,500 lb (1,100 kg) of bombs 5,000 mi (8,000 km). The XB-16 was to use four Allison V-1710 liquid-cooled inline engines; contemporary American aircraft used air-cooled radial engines. The XB-16 was cancelled for essentially the same reason the B-15 project was: it wasn't fast enough to meet the requirements set by the Army. Since both were cancelled around the same time, Martin did not have time to produce an XB-16.
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| - Like the Boeing XB-15, the Martin XB-16 (Martin Model 145) was designed to meet the United States Army Air Corps' request for a bomber that could carry 2,500 lb (1,100 kg) of bombs 5,000 mi (8,000 km). The XB-16 was to use four Allison V-1710 liquid-cooled inline engines; contemporary American aircraft used air-cooled radial engines. The XB-16 was cancelled for essentially the same reason the B-15 project was: it wasn't fast enough to meet the requirements set by the Army. Since both were cancelled around the same time, Martin did not have time to produce an XB-16.
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| performance header
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| Max weight main
| - ** Original design: 65,000 lb
** 1935 redesign: 104,880 lb
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| number of props
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| type of props
| - liquid-cooled V12 engines
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| length alt
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| span main
| - ** Original design: 140 ft
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| cruise speed main
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| cruise speed alt
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| height alt
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| loading main
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| range alt
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| length main
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| area main
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| power main
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| height main
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| span alt
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| range main
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| max speed main
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| engine (prop)
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| power/mass main
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| empty weight main
| - ** Original design: 31,957 lb
** 1935 redesign: 50,660 lb
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| area alt
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| jet or prop?
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| plane or copter?
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| abstract
| - Like the Boeing XB-15, the Martin XB-16 (Martin Model 145) was designed to meet the United States Army Air Corps' request for a bomber that could carry 2,500 lb (1,100 kg) of bombs 5,000 mi (8,000 km). The XB-16 was to use four Allison V-1710 liquid-cooled inline engines; contemporary American aircraft used air-cooled radial engines. In 1935, Martin revised the XB-16 design. The wing span was increased from 140 ft (42.7 m) to 173 ft (52.7 m), and a set of V-1710 engines added to the trailing edge. This version had a wingspan 20% greater than that of the B-29 Superfortress, the first operational bomber that would fill the role intended for the XB-16. The XB-16 was cancelled for essentially the same reason the B-15 project was: it wasn't fast enough to meet the requirements set by the Army. Since both were cancelled around the same time, Martin did not have time to produce an XB-16.
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