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19 jui 2017 · Table for impact velocity for 2 25”, 2 75”, and 1 5” in ballistics gel, page: 52 Lead Table, page: 53 Buckshot Penetration Tables, pages 54-69



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[PDF] Calculated Shotgun Pellet Penetration And Relevant Considerations

19 jui 2017 · Table for impact velocity for 2 25”, 2 75”, and 1 5” in ballistics gel, page: 52 Lead Table, page: 53 Buckshot Penetration Tables, pages 54-69



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Calculated Shotgun Pellet Penetration

And Relevant Considerations

By Matt Sicard June19th

Contents

Intro, page: 3

Dedication, page: 4

Recoil, pages: 5-7

Penetration Theory, pages 8-12

Lead Penetration Tables, pages: 13-33

Steel Penetration Tables, pages: 34-51

Lead Table, page: 53

Buckshot Penetration Tables, pages 54-69

Round Balls, page: 70

Triple ball, page: 71

Other Considerations, pages: 72-73

The purpose of this paper is to provide accurate information on how velocity increases at the muzzle affects the down range performance of lead and steel shot. My information is as accurate as the tables and ballistic s the only definitive claim I can make about it. In this paper I provide the reader with

Equations for:

-pellet penetration given an impact velocity -the minimum impact velocity required for a desired amount of penetration - calculating recoil energy based on shot velocity, gun weight, and load weight

Tables for:

-shotgun recoil for 6&7 pound guns with shot charges of 1oz-2.25oz, at muzzle velocities of

1000fps-1700fps

-chilled lead shot penetration in ballistics gel from the muzzle to 75 yards, for shot sizes #2-#7 ½ , at muzzle velocities from 1000fps-1600fps, and 1100-1600fps for shot sizes #8 and #9 - steel shot penetration from the muzzle to 75 yards, for steel shot sizes BBB-#6, at muzzle velocities of 1300fps-1700fps -buckshot penetration from the muzzle to 100 yards for sizes #4 buck-0000 buck, at muzzle velocities from 900fps-1400fps -the minimum impact velocity for chilled lead shot (sizes #2-#9), and steel shot (sizes BBB-#6) -the penetration of .690, and .729 round ball shotgun loads -the effect of increased muzzle velocities on target lead for steel shot (sizes BBB-#6), at 40 yards (given the muzzle velocity for the pellets in that table) are listed.

I also explain how to use my equations.

To all of the Math and English teachers who put up with me over the years.

Recoil

hat for every force there is another force of equal magnitude, but opposite interpretations of felt recoil are as diverse and numerous as there are shooters, topic alone. To calculate the actual recoil you need to know the weight of the gun, shot, powder, wad, the velocity of the shot, and gasses as they leave the barrel. There are some formulas that get close to lues, (SAMMI published a good one, at the bottom of the last page on recoil). different powders burn at different velocities and you may require more, or less of different types of powder to achieve identical velocities for the same weight of shot. For example, all other components being equal, you would not use the same charge of Longshot as you would Bluedot to get identical velocities. I left the wad weight out of it too, there are hundreds of types, each with their own weight, and the impact of the wad weight on recoil is fairly insignificant. The formula for recoil, not including the recoil produced by the gunpowder and wad, is as follows; Sv= shot velocity in fps. Gw=Gun weight in grains. Sw=Shot weight in grains. R=recoil in foot pounds. n5DKP8AHK?EPU l)QJSAECDP

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