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| | Tirpitz - The "Tall Boy" and "Grand Slam" Bombs |
 | | At this time a new bomb was put into service, the "Tall Boy", a weapon developed under the direction of Professor Dr. Barnes Wallis, under whose leadership the 3.900 kg (8.600 lb) rotary water bombs, used with great success in the spring of 1943 on reservoir dams in Germany, also originated. |
 | | It belonged to the category of thick-walled, teardrop-shaped GP bombs (GP "General Purpose", thus a multipleuse bomb) and were 6,35 meters (21 feet) long with a diameter of 0,95 meter (38 inches). |
 | | Such bombs could be carried only by the four engined bombers of the "Lancaster Mark I S" type, and then only one per plane, which also had to be rebuilt for this purpose. |
| www.bismarck-class.dk /tirpitz/miscellaneous/tallboy/tallboy.html (639 words) |
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