Cool shot of shock waves around a revolver

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Great video. Thank you OP for sharing.

I liked the gases escaping the muzzle before the bullet appeared. I wouldn’t have guessed that happened.
That’s why the barrel crown is important. If the crown isn’t even gases can escape from one side before the other, pushing the bullet sideways
 
On the shockwaves around the revolver:

I liked the gases escaping the muzzle before the bullet appeared. I wouldn’t have guessed that happened.


I never thought about it either, but that clearly illustrates that the air in the barrel in front of the bullet has to go somewhere.

The shockwaves around the bullet gap reminds me that in a two hand revolver hold, the fingers of the off hand go around the fingers of the firing hand and NOT around the trigger guard.

Added: the video also shows: shockwaves in the air around
a .50 BMG supersonic bullet,
a .300 Blackout supersonic bullet, and
a .300 Blackout subsonic bullet.
Verrry interestink.
 
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That was definitely cool! :cool:
Thanks for posting this. :thumbup:

I liked the gases escaping the muzzle before the bullet appeared. I wouldn’t have guessed that happened.

Ultra-slow motion of Civil War cannon reproductions show a huge cloud of white smoke emerging from the muzzle then the ball emerging in that cloud. Interesting.

Bob Wright
 
Ultra-slow motion of Civil War cannon reproductions show a huge cloud of white smoke emerging from the muzzle then the ball emerging in that cloud. Interesting.

Most muzzleloading cannon are loaded like the old Brown Bess musket: lotsa clearance between the ball and bore for ease of loading and high rate of fire in combat so there is a lot of blow-by. (I have read that a Brown Bess musket with patched ball is a lot more accurate and hits a bit harder than one loaded conventionally.)
 
I've watched some of his videos before, he's got a great mind for implementing experiments to illustrate points.

What I thought was most interesting and makes sense is the small shockwaves past the ogive of the subsonic bullet that reach supersonic speeds due to accelerating along the bullet profile at faster speeds than the point of the bullet where the MV is measured below the speed of sound.
 
Smarter Every Day clips are really neat. The inner workings of a grain silo was a total revelation for me and the mechanical baseball and golf ball ones are really cool, too.

Stay safe.
 
Very cool video. Should have done a closeup of the rifle also just to see where the gases escape from a semi-auto.
 
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