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An Entity of Type : dbkwik:resource/xoykDFxJFBgF02W_HRnEzw==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Operation Hurricane was the test of the first British atomic device on 3 October 1952. A plutonium implosion device was detonated in the lagoon between the Montebello Islands, Western Australia. The weapon was a close copy of the Fat Man (Nagasaki) weapon, although the design was modified to use a levitated pit. This increased the power of the bomb, but was actually done as a safety measure. There were concerns that without the gap between the tamper and the pit, a criticality accident could occur. The bomb used plutonium produced mainly at Windscale (now Sellafield) in Cumbria with a low plutonium 240 content since hurried production led to short irradiation times. However, Windscale could not quite meet the 1 August 1952 deadline for manufacturing the inner core and the device also used

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rdf:type
rdfs:label
  • Operation Hurricane
rdfs:comment
  • Operation Hurricane was the test of the first British atomic device on 3 October 1952. A plutonium implosion device was detonated in the lagoon between the Montebello Islands, Western Australia. The weapon was a close copy of the Fat Man (Nagasaki) weapon, although the design was modified to use a levitated pit. This increased the power of the bomb, but was actually done as a safety measure. There were concerns that without the gap between the tamper and the pit, a criticality accident could occur. The bomb used plutonium produced mainly at Windscale (now Sellafield) in Cumbria with a low plutonium 240 content since hurried production led to short irradiation times. However, Windscale could not quite meet the 1 August 1952 deadline for manufacturing the inner core and the device also used
sameAs
dcterms:subject
Row 4 info
  • 0.0
Row 1 info
  • Hurricane
  • Circle 1
  • Circle 2
  • Circle 3
  • Circle 4
  • Complete destruction of ordinary houses
  • Complete destruction of structures
  • Moderate damage of ordinary houses
  • Windows will shatter within this ring
Row 4 title
  • Time
Row 2 info
  • Montebello Islands
Row 6 info
  • 25(xsd:integer)
Row 1 title
  • Key
  • Shot name
Row 5 info
  • Fission
Row 2 title
  • Location
Row 6 title
  • Yield
Row 5 title
  • Device type
Row 3 info
  • 1952-10-03(xsd:date)
Row 3 title
  • Date
dbkwik:military/pr...iPageUsesTemplate
Box Title
  • Operation Hurricane
  • Overpressure Distances
Caption
  • Explosion cloud of Hurricane
  • Overpressure Distances of a 25 Kiloton weapon
imagewidth
  • 250(xsd:integer)
abstract
  • Operation Hurricane was the test of the first British atomic device on 3 October 1952. A plutonium implosion device was detonated in the lagoon between the Montebello Islands, Western Australia. The weapon was a close copy of the Fat Man (Nagasaki) weapon, although the design was modified to use a levitated pit. This increased the power of the bomb, but was actually done as a safety measure. There were concerns that without the gap between the tamper and the pit, a criticality accident could occur. The bomb used plutonium produced mainly at Windscale (now Sellafield) in Cumbria with a low plutonium 240 content since hurried production led to short irradiation times. However, Windscale could not quite meet the 1 August 1952 deadline for manufacturing the inner core and the device also used some Canadian supplied plutonium. To test the effects of a ship-smuggled bomb (a threat of great concern to the British at the time), Hurricane was exploded inside the hull of HMS Plym (a 1,370-ton River class frigate) which was anchored in 12 m of water 350 m off Trimouille Island. The explosion occurred 2.7 m below the water line, and left a saucer-shaped crater on the seabed 6 m deep and 300 m across.
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