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Plinking glass bottles

Discussion in 'Anything Airgun Related' started by Mike_86, Oct 15, 2006.

  1. Mike_86

    Mike_86 Newbie

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    I have a question, I know pellets can't shatter glass, but can bbs go through glass (since there harder and made of steel and copper)??
     
  2. Austin

    Austin Well-Known Member

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    LOL BS! Yes, pellets CAN shatter glass, up to 9mm thick. I know this first hand :D Anyway, no, BBs will not go through glass, if anything, they do less than pellets. I suggest you go and find out for yourself. ;)

    P.S. The rifle I blast glass with is a .177 @ 525 FPS. A .22 does WAY more. :p
     
  3. Phil S

    Phil S Newbie

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    Why? No, seriously. Why?
     
  4. Austin

    Austin Well-Known Member

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    A .22 will do more than a .177 travelling at the same speed because since it it bigger and heavier, it has more momentum, making it harder to stop, and exerting more force upon impact.

    Simple physics. And also, I'm the boy genuis on the forum. Chael has repeated Grade 7 three times already:p


    (Disregard last sentance. Pure Grade A 100% BS. But the part about me being the cool genuis is true.:cool:)
     
  5. Phil S

    Phil S Newbie

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    But they don't travel at the same speed. Nothing like the same speed.

    Oh .. That's it. No more posts from me for a bit. I'm becoming a pedant after two days.....
     
  6. Austin

    Austin Well-Known Member

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    Oh, but they do, my friend. A .22 caliber rifle can have the same muzzle velocity as a .177 calibre rifle. I have .22 and .177 guns both shooting at 495 fps.

    Just it takes more force to stop a heavier round, and more momentum for a heavier round, thus more momentum.
     
  7. brer rabbit

    brer rabbit Newbie

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    I think you will find a .177 pellet thrown out of a 12 ft/lb air rifle will travel faster than a .22 out of a 12 ft/lb air rifle. The lighter pellet, travelling faster will have a similar impact force to the slower and heavier .22 pellet. Also the smaller pellet has a smaller point of impact, which is more likely to penetrate. Where as the larger .22 acts more like a hammer, thumping with a larger spread of energy, more likely to want to knock the bottle over than shatter it.:) of course if it knocks the bottle over, it is percieved to have more force.
     
  8. Austin

    Austin Well-Known Member

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    You are right about the penetration, but you are wrong about the knock over vs shatter idea. Back to its kinetic energy, it takes more force to stop a bigger, heavier object than a lighter .177 pellet. In my experience, and I'm including rimfire rifles in the statement, a .177 will sooner glance off or ricochet than a .22 will.


    Whether a .22 knocks over the bottle or shatters it is based on the type of bullet, but, as a general rule, bigger bullet = bigger hole/more damage.
     
  9. brer rabbit

    brer rabbit Newbie

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    point taken, but don`t forget the .177 is travelling faster than tha .22. a faster travelling pellet will also hold a lot of stored energy.:)
     
  10. Austin

    Austin Well-Known Member

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    Gotcha, .22 does slow down quicker than a .177 because on account of its bigger mass, thus creating more drag. But the muzzle velocity is still the same, and at 5 yards it doesn't slow down too much:D But you're right, over 100 yards, (my rifles effective range) a chrono test shows .177 is a faster flyer.

    :cheers:
     

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