Fundamentals Of Small Arms Weapons

on January 10, 2012

Part 1 features the logical progression of engineering mechanisms developed to accomplish The Cycle of Operation:

  1. chambering
  2. locking
  3. firing
  4. unlocking
  5. extraction
  6. ejection
  7. cocking
  8. feeding

Part 2 and Part 3 build upon this basic model, ending with a fully functional firearm.
If you liked these videos, check out this other one about differential steering.
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How Differential Steering Works

on October 12, 2010

Skip to about 2 minutes to avoid the intro.
A commenter recommended Feynman explaining the alternative to a differential drive that trains employ.
I’ve been forgetting “via”s, which I suppose isn’t fair: [via reddit]

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