Boeing B-29 Superfortress

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© Kenneth W Shanaberger 2000 - 2010

In order to meet the USAAC's 1940 requirements for a "superbomber", the Superfortress used a narrow chord, highly loaded wing, a pressurized cabin, and remotely controlled gun turrets. First flown on September 21 1942, B-29 Superfortresses were used to drop the two atomic bombs on Hiroshima and Nagasaki that ended World War II.

After World War II, an improved B-29 went into service designated the B-50.

The first post-war Russian bomber, the Tu-4 Bull, was a direct copy of the B-29.

Specifications

Designations

	Type: Bomber
	Engines: four 2,200 hp (1641 kW) Wright R-3350-23 Cyclones

	B-29: U.S. Army bomber
	F-13: U.S. Army photo reconnaissance. Later redesignated RB-29
	KB-29: U.S. Air Force tanker version
	P2B: U.S. Navy patrol version
	RB-29: U.S. Air Force photo reconnaissance
	SB-29: U.S. Air Force SAR version
	XB-39: Testbed for Allison V-3420 inline engine
	Washington: Royal Air Force designation

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