Grand Slam bomb

The Oxford Companion to World War II | 2001 | 673 words | Copyright

Grand Slam bomb, British bomb developed by Barnes Wallis. At 22,000 lb. (10,955 kg.) it was the heaviest bomb used in the war creating a crater 9.1 m. (30 ft.) deep and 37.7 m. (124 ft.) wide. Wallis's proposal for it early in the war had been rejected by the air staff, but after his success with his cylindrical bomb in May 1943 (see Dam Busters), work was started on the Grand Slam. The Tallboy, a smaller version, became operational in June 1944, but the Grand Slam was not used operationally until March 1945. Altogether, 41 were dropped by the Dam Buster squadron (617) on bridges and viaducts in Germany. See also bombs.

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I. C. B. DEAR and M. R. D. FOOT. "Grand Slam bomb." The Oxford Companion to World War II. 2001. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

I. C. B. DEAR and M. R. D. FOOT. "Grand Slam bomb." The Oxford Companion to World War II. 2001. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O129-GrandSlambomb.html

I. C. B. DEAR and M. R. D. FOOT. "Grand Slam bomb." The Oxford Companion to World War II. 2001. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O129-GrandSlambomb.html

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