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Designation: B-29

Boeing B-29

Boeing B-29 Superfortress

A picture of the Boeing B-29 Superfortress

The B-29 was designed as what the Army Air Forces called a “Hemisphere Defense Weapon”.  The 1940 specifications called for an aircraft capable of carrying 20,000 pounds of bombs for 5,333 miles at a speed of 400 miles an hour.  While it did not meet all these goals, the B-29 still carried more bombs higher, farther, and faster than any other bomber of World War II.  It also introduced pressurized crew compartments to American military aircraft which allowed the crews to forego the heavy and awkward cold weather flying clothes that crews of other planes were forced to wear.  Over 3,000 Superfortresses were built and many continued to serve the U.S. Air Force into the early 1950s as bombers, reconnaissance planes, and as refueling tankers.

Wingspan 141 ft 3 in.


Length 99 ft


Height 29 ft 7 in.


Weight 124,000 lbs (loaded)


Max. Speed 358 MPH

Maximum Speed

Service Ceiling 31,850 ft

Service Ceiling

Range 3,250 miles


Engines Four Wright R-3350-23 radial with 2,200 horsepower each


Crew 11



330th Bomb Group, K-40, “Quaker City,” “Sentimental Journey,” Guam, 1945

Serial Number

B-29 “Sentimental Journey”

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