Thin Man (nuclear bomb)

"Thin Man" was the code name for a proposed plutonium gun-type nuclear bomb that the United States was developing during the Manhattan Project. Its development was abandoned when 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 concentration of the isotope plutonium-240.

Thin Man
"Thin Man" plutonium gun test casings
TypeNuclear weapon
Place of originUnited States
Production history
DesignerLos Alamos Laboratory
Length17 feet (5.2 m)
Diameter38 inches (97 cm)


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