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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 ...
Mark 4 – Post-war "Fat Man" redesign. Bomb designed with weapon characteristics as the foremost criteria. (1949–1953) Mark 5 – Significantly smaller high efficiency nuclear bomb. (1–120 kilotons, 1952–1963) Mark 6 – Improved version of Mk-4. (8–160 kilotons, 1951–1962) Mark 7 – Multi-purpose tactical bomb. (8–61 kilotons ...
Log–log plot comparing the yield (in kilotonnes) and mass (in kilograms) of various nuclear weapons developed by the United States.. The explosive yield of a nuclear weapon is the amount of energy released such as blast, thermal, and nuclear radiation, when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene ...
The weapons envisaged in 1942 were the two gun-type weapons, Little Boy (uranium) and Thin Man (plutonium), and the Fat Man plutonium implosion bomb. In early 1943 Oppenheimer determined that two projects should proceed forwards: the Thin Man project (plutonium gun) and the Fat Man project (plutonium implosion).
In comparison, the atomic (fission) bombs dropped by the Enola Gay on Hiroshima (Little Boy, a gun-type atomic bomb) and on Nagasaki by Bockscar (Fat Man, an implosion-type atomic bomb) had blast yields of the equivalents of 15 and 21 kilotons of TNT, respectively.
The Trinity bomb was officially a Y-1561 device, as was the Fat Man used later in the bombing of Nagasaki. The two were very similar, though the Trinity bomb lacked fuzing and external ballistic casing. The bombs were still under development, and small changes continued to be made to the Fat Man design. [59]
The erroneous trade prompted 711 pop-up warning messages in a single alert before it sparked a European selloff. Trader’s ‘fat finger’ costs Citi $79 million after U.K. fines bank over ...
A fleet of 95 target ships was assembled in Bikini Lagoon and hit with two detonations of Fat Man plutonium implosion-type nuclear weapons of the kind dropped on Nagasaki in 1945, each with a yield of 23 kilotons of TNT (96 TJ). The first test was Able.