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BLOWN PATTERNS FACT OR FICTION ?

Discussion in 'Shooting Related Threads' started by 1oldtimer, Jan 13, 2011.

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  1. 1oldtimer

    1oldtimer TS Member

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    OVER THE LAST 50 YEARS OR SO,THE SUBJECT OF BLOWN PATTERNS COMES UP.(shot gun shooting) DON'T RELOAD A SHELL TOO HOT OR FAST,YOU WILL BLOW YOUR PATTERN. IF THIS CONDITION EXISTS,WHY DO THE MANUFACTURES LOAD ULTRA FAST SHELLS. BUNKER LOADS,INTERNATIONAL TRAP,SUPER PHESANT @ 1400 FPS ARE ULTRA FAST,DO THEY MESS UP YOUR PATTERN? HAS ANY RESEARCH BEEN CONFIRMED ONE WAY OR THE OTHER? JUST CURIOUS. I KNOW THERE ARE EXPERTS ON EVERY SUBJECT OUT THERE. CLYDE D
     
  2. mrskeet410

    mrskeet410 TS Member

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    Fiction
     
  3. missed some

    missed some TS Member

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    FACT..........Everytime I miss was because of a blown pattern
     
  4. grntitan

    grntitan Well-Known Member

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    I guess it would also consider what you call a blown pattern. I think it is a very real possiblity.

    Matt
     
  5. mrskeet410

    mrskeet410 TS Member

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    Hey Matt, did you get that line from Bill Clinton?
     
  6. wireguy

    wireguy TS Member

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    All those clay pigeons pot shooters break at as much as 100 yards are the product of blown patterns.
     
  7. grntitan

    grntitan Well-Known Member

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    mrskeet--No he denied. Remember. He did not have sexual relations with that woman. He gave her Jewelery i guess. She said he gave her a Pearl Necklace. :)

    Matt
     
  8. racer

    racer TS Member

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    Dr A.C. Jones book has the answer....... Dan
     
  9. Hap MecTweaks

    Hap MecTweaks Well-Known Member

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    Chilled shot of yesteryear is a far cry from the higher antimony shot available today. Before harder shot was available to reloaders, yes, you could have a blown pattern with higher velocities! One of the reasons the Arnold Riegger was so successful with his 2-3/4 dr loads.

    Hap
     
  10. mrskeet410

    mrskeet410 TS Member

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    Skeet shooters during the paper hull, fiber wad era thought they would get 'blown patters'. Their solution was to hang a Cutts Compensator on the end of their skeet guns.

    Sounds like you need a Cutts.
     
  11. 1oldtimer

    1oldtimer TS Member

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    Cutts! Nuts! Thats what ruined my hearing 50 some years ago.
    Clyde D
     
  12. cubancigar2000

    cubancigar2000 Well-Known Member

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    This thread would have surely had a comment by the late Pat Ireland if he were with us. I miss some of his wisdom and wit
     
  13. JerryP

    JerryP Active Member

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    Hap, why would cilled shot result in a "blown pattern" ?? Ok, you will probably say deformed shot. What is the difference between a blown pattern and a non blown pattern? I shoot a lot of homemade shot. It isn't round so I will call it deformed. Maybe all of my patterns are "blown" and I don't know the difference.
     
  14. hmb

    hmb Well-Known Member

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    Very good article in Trapshooting USA on blown patterns related to speed and reclaimed shot. HMB
     
  15. mrskeet410

    mrskeet410 TS Member

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    The conventional wisdom regarding 'blown patterns' in the Cutts era was that gas would leak around the flat over-powder wads and leak into the the shot column. According to theory, that would wreak havoc on the shot column and pattern.

    A Cutts would allow that gas to bleed off as the shot column entered the Cutts, then the "blown" shot column would be rechoked as it went through the choke. So said the theory.
     
  16. Hap MecTweaks

    Hap MecTweaks Well-Known Member

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    Jerry, deformed shot is different acting than flat sided shot. Deformed shot will act somewhat as Hevi-Shot and the heavier end will lead the way once in the air. Flat sided shot can't cut through the air nearly as well as round and will veer or curve more so. This isn't too hard to test but most never test anything close to enough to come to logical conclusions on what may be best or blown.

    In my testing, blown patterns were the results of soft shot and high velocities. We can't compare the logistics of Hevi-Shot to lead either because of the weight differences between the two. Hevi-Shot with all it's misshaped so called pellets will pattern better than lead! It's somewhat like your malformed lead pellets, the heavy end will lead the way. I did most of my high velocity testing with healthy doses of 4756 powders.

    Hap
     
  17. JerryP

    JerryP Active Member

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    Hap, what does a blown pattern look like?
     
  18. leadvail

    leadvail Member

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    A Smile:)
     
  19. Hap MecTweaks

    Hap MecTweaks Well-Known Member

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    Jerry, depends on the velocity but it's much wider than an acceptable full choke pattern. I've shot some out of a model 12 full that looked like an imp cyl choke might look at 40 yards.

    Hap
     
  20. JerryP

    JerryP Active Member

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    Hap, are you talking about patterns shot with fiber wads? With modern plastic wads that doesn't really seem possible, even with soft shot.
     
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