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The landmark includes the base camp where the scientists and support group lived, ground zero where the bomb was placed for the explosion, and the McDonald ranch house, where the plutonium core to the bomb was assembled. One of the old instrumentation bunkers is visible beside the road just west of ground zero. [167]
The McDonald Ranch House in the Oscura Mountains of Socorro County, New Mexico, was the location of assembly of the world's first nuclear weapon.The active components of the Trinity test "gadget", a plutonium Fat Man-type bomb similar to that later dropped on Nagasaki, Japan, were assembled there on July 13, 1945.
Manhattan District From top to bottom, left to right: Chicago Pile-1, the first nuclear reactor K-25, the primary uranium enrichment site The Hanford B Reactor used for plutonium production The Gadget implosion device at Los Alamos Alsos soldiers dismantle the Haigerloch pile of the German nuclear weapons program The Trinity test, the first nuclear explosion Atomic bombings of Hiroshima and ...
The bomb contained “13 pounds of weapon-grade plutonium,” according to the National Park Service. “Radioactive fallout descended to the northeast over an area about 250 miles long and 200 ...
The bomb failed to explode and the transmission line was not badly damaged. [75] [76] The Hanford Engineer Works was the only U.S. nuclear facility to come under enemy attack. [77] Hanford provided the plutonium for the bomb used in the 1945 Trinity nuclear test. [78] Throughout this period, the Manhattan Project maintained a top-secret ...
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 ...
A hollow plutonium pit was the original plan for the 1945 Fat Man bomb, but there was not enough time to develop and test the implosion system for it. A simpler solid-pit design was considered more reliable, given the time constraints, but it required a heavy U-238 tamper, a thick aluminium pusher, and three tons of high explosives.
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