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Depends on the exact bomb:

  • for most of the 1950s most US atomic bombs were 5 feet in diameter as that was the size of a standard bomb bay.
  • nuclear artillery shells and missile warheads have been built with diameters as small as 6 inches.
  • the Ivy Mike device tested in 1952 was 20 feet in diameter and 80 feet tall.

Basically pick any size you want as required by your application, a nuclear bomb can probably be made in that diameter.

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13y ago

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