..I have always wodered how these things work.
H/T Pete H
Friday, 17 July 2009
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The Marlin 45 Camp Carbine1 week ago
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3 comments:
Only one heck of a lot faster!
The animation only shows you the outside of the inside. The real heart is the sinusoidal camshaft, which is a wavy groove cut into the outside of a hollow cylinder. As each barrel and it's action spin around, the bolt is pulled open or pushed closed, the round is fired, etc., all based on the position of that barrel relative to the camshaft.
Hey, they're making diesel engines this way these days, at least in the lab. No energy wasted by having a connecting rod. Just a roller bearing underneath the piston
What I always wondered was why it needs outside power.
"Swashplate" engines and pumps aren't common, exactly, but they aren't all that rare, either. Lots of automotive air conditioning compressors embody the same principle.
Why couldn't the recoil from the fired shell drive the action?
Regards,
Ric
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