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Home > Fact Sheets > Lockheed XB-30


Posted 6/26/2009 Printable Fact Sheet

The Lockheed XB-30 was designed in response to the U.S. Army's request for a very heavy bomber capable of speeds of 400 mph and able to deliver a 2,000-pound bomb load more than 2,650 miles (5,300 mile maximum range). Lockheed proposed its model 51-81-01 with a wing span of 123 feet and a length of 104 feet, 8 inches. Four Wright R-3350-13 radial engines of 2,200 hp each were to have powered the aircraft, giving it an estimated top speed of 382 mph. The XB-30 would have carried a crew of 12.

The Lockheed design never progressed past the design stage, and only a scale model of the basic design was built. The design was later resurrected for use as a basis for the Lockheed C-69, the military version of the Lockheed Constellation airliner.

Type Number built/
XB-30 0 B-29 competitor; never built

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