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Gadget-schematic-crosssection.png (523 × 203 pixels, file size: 11 KB, MIME type: image/png)

Description
English: Schematic cross-section of the first atomic bomb, which was tested at the Trinity site in the framework of the Manhattan Project, and was nicknamed the gadget
  • made from Nuclear Weapon Archive's description
  • about 630 pixels/metre
  • thickness of casing not given (It may not have been very thick. If I understand high explosive--which I don't claim to do--a casing rupture would not have mattered after a few microseconds. And notice, for instance, that half the bolts may have been left out of Gadget's one flange.[1])
  • the lens based on 78:47 detonation-speed ratio ([2] pg6) and 10 cm between EBW and Baratol
  • thickness of amplifier layer not given
Caption
InfoField
Layers go from left-to-right
 
dural casing, ~140 cm inner diameter
 
exploding-bridgewire detonator (allows for instantaneous detonation of explosives)
 
faster explosive, Composition B: 60% RDX, 39% TNT, 1% wax
 
slower explosive (Baratol)
 
faster explosive, "amplifier"
 
aluminum–boron "pusher" (absorbs stray neutrons and widens/smooths implosion pulse)
 
natural-uranium "tamper" (neutron reflector, inertial containment, improves efficiency, reduces the amount of fission material needed)
 
the "pit"; plutonium-239–plutonium-240–gallium delta-phase alloy (96%–1%–3% by molarity)(fissionable material); sphere with a diameter of 9 cm, with a 2.5 cm cavity and a plutonium plug to allow initiator insertion; mass 6.2 kg
 
air gap
 
beryllium–polonium-210 "initiator" (the "urchin"), neutron source
Source Own work
Author User:Kwantus
Permission
(Reusing this file)
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
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Original upload log

(cur) 15:21, 14 October 2003 . . Kwantus (Talk | contribs | block) . . 523×203 (11,262 bytes) (schematic cross-section of Gadget)

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Date/TimeThumbnailDimensionsUserComment
current18:41, 30 March 2005Thumbnail for version as of 18:41, 30 March 2005523 × 203 (11 KB)Oldie~commonswikiFrom en wiki of same name. Schematic cross-section of the first atomic bomb, which was tested at the Trinity site in the framework of the Manhattan Project, and was nicknamed ''the gadget'' * made from [http://gawain.membrane.com/hew/Nwfaq/Nf

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