Mark 6 nuclear bomb
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The Mark 6 nuclear bomb was an American nuclear bomb based on the earlier Mark 4 nuclear bomb and its predecessor, the Mark 3 Fat Man nuclear bomb design.
The Mark 6 was produced from 1951-1955 and saw service until 1962. Seven variants and versions were produced, with a total production run of all models of 1100 bombs.
The basic Mark 6 design was 61 inches in diameter and 128 inches long, the same basic dimensions as the Mark 4 and close to the Mark 3. Various models weighed 7,600 to 8,500 pounds.
Early models of the Mark 6 utilized the same 32-point implosion system design concept as the earlier Mark 4 and Mark 3; the Mark 6 Mod 2 and later used a different, 60-point implosion system.
Various models and pit options gave nuclear yields of 8, 26, 80, 154, and 160 kilotons for Mark 6 models.
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[edit] Variants
[edit] Mark 13
The Mark 13 nuclear bomb and W13 missile warhead were developed as higher efficiency Mark 6 successors, the same size and basic configuration as the Mark 6 but utilizing an improved 92-point implosion system. The Mark 13 was cancelled in August 1954 and the W13 cancelled September 1954, in both cases without ever seeing production service.
[edit] Mark 18
The Mark 18 nuclear bomb was a followon to the Mark 6 and Mark 13, utilizing a fissile pit assembly with around 60 kilograms of HEU and delivering a yield of 500 kilotons, the largest pure fission (non-thermonuclear) bomb design in history. Mark 18 bombs were eventually recycled into Mark 6 Mod 6 bombs after thermonuclear weapons were deployed in quantity. The Mark 18 was tested once in Operation Ivy King.
[edit] See also
[edit] External links
- Allbombs.html list of all US nuclear warheads at nuclearweaponarchive.org
