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"Thin Man" was the code name for a proposed plutonium-fueled gun-type nuclear bomb that the United States was developing during the Manhattan Project. Its development was abandoned in 1944 after it was discovered that the spontaneous fission rate of nuclear reactor -bred plutonium was too high for use in a gun-type design due to the high ...
[107] [108] The names for all three atomic bomb designs—Fat Man, Thin Man, and Little Boy—were chosen by Serber based on their shapes. Thin Man was a long device, and its name came from the Dashiell Hammett detective novel and series of movies of the same name.
Little Boy was developed by Lieutenant Commander Francis Birch's group at the Manhattan Project's Los Alamos Laboratory during World War II, a reworking of their abandoned Thin Man nuclear bomb. Like Thin Man, it was a gun-type fission weapon.
The names were based on their design shapes; the "Thin Man" would be a very long device, and the name came from the Dashiell Hammett detective novel and series of movies of the same name; the "Fat Man" bomb would be round and fat and was named after Sydney Greenstreet's character in The Maltese Falcon (from Hammett's novel). "Little Boy" would ...
Fat Man Replica of the original Fat Man bomb Type Nuclear fission gravity bomb Place of origin United States Production history Designer Los Alamos Laboratory Produced 1945–1949 No. built 120 Specifications Mass 10,300 pounds (4,670 kg) Length 128 inches (3.3 m) Diameter 60 inches (1.5 m) Filling Plutonium Filling weight 6.2 kg Blast yield 21 kt (88 TJ) "Fat Man" (also known as Mark III) was ...
Weighing 14 pounds and responsible for 80,000 deaths, the heart of the "Fat Man" atomic bomb was detonated on August 9, 1945, over the Japanese city of Nagasaki. Related: Iconic photos from WWII:
The uranium gun-type weapon known as Little Boy did prove to be simpler than Thin Man. The gun velocity needed to be only 1,000 feet per second (300 m/s), a third that of Thin Man. A corresponding reduction in the barrel length reduced the bomb's overall length to 6 feet (1.8 m).
He was just 13 when the 10,000lb atomic bomb “Fat Man” was dropped on Nagasaki on 9 August 1945, landing around 3.2km from his family home. Part of Nihon Hidankyo’s work is to record witness ...