Image:Little Boy internal diagram.svg

[edit] Summary

Without the labels.

Rough diagram depicting what are thought to be some of the major internal parts of the Little Boy nuclear weapon.

This version has its components labeled. For a version without the labels, see Image:Little Boy internal diagram (no labels).svg.

[edit] Caption

1. Box tail fins
2. Steel gun breech assembly
3. Detonator
4. Cordite (conventional) explosives
5. Uranium-235 "projectile", six rings (26 kg) in a thin can of steel
6. Baro sensing ports and manifold
7. Bomb casing wall
8. Arming and fusing equipment
9. Gun barrel, steel, around 10 cm diameter, 200 cm length
10. Arming wires
11. Tamper assembly, steel
12. Uranium-235 "target", two rings (38 kg)
13. Tamper/reflector assembly, tungsten carbide
14. Neutron initiator
15. Archie fuzing radar antennas
16. Recess for the boron safety plug (not shown) to be ejected into

[edit] Source

Drawing is by User:Fastfission. Weapon information is from Nuclear Weapons Archive FAQ and from Chuck Hansen U.S. Nuclear Weapons: The Secret History (1988). Not drawn to scale, some of the components are heavily simplfied.

This vector image was created with Inkscape.

[edit] License

Created by User:Fastfission in Inkscape. Use of this work which I have created is allowed under the terms of the CC-BY-SA license (see below). Credit must be given to "Wikimedia Commons." You can contact me if you would like to negotiate other licensing terms (which I am generally happy to do). Those who wish to use this in the course of teaching may do so without any limitations. --Fastfission

This file is licensed under the Creative Commons Attribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license