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Old January 3, 2021, 12:33 PM   #51
Bart B.
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Isn't the ideal place for bullets to leave for best accuracy is on the muzzle axis upswing to perfectly compensate for their velocity, slower ones with longer barrel times leave at higher angles to the line of sight?

Last edited by Bart B.; January 3, 2021 at 02:47 PM.
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Old January 3, 2021, 04:34 PM   #52
JohnKSa
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The optimal point is when the movement of the muzzle in the target plane is as slow as possible. That minimizes any variations in muzzle position due to velocity variations of the projectile.

Where the muzzle is pointing at that particular point in the cycle is irrelevant--that can be adjusted with the sighting device.

To visualize what's happening, take a simple case where the muzzle swings in one dimension only. The initial thought is that we would want to have the muzzle at a node (zero point) in the vibration cycle when the bullet exits, but that is the point at which the muzzle is moving the fastest in the target plane. At the maximum amplitude points in a vibration cycle (top or bottom of the swing), the muzzle stops moving and reverses direction--that area is where its movement in plane of the target is slowest, and if the bullet exits at that point, the results should be the best.
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Old January 3, 2021, 06:24 PM   #53
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