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Thread: How far will a pellet travel

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  1. 17-08-2010, 07:31 PM #1
    trimtrab
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    Thats surprised me i would have expected alot less. Can't get my head around .22 traveling further. We used to shoot on council land and they made us section off 200mtr and i thought that would have been enough. live and learn.
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  2. 17-08-2010, 07:56 PM #2
    timmaaah
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    Quote Originally Posted by SpikeG View Post
    With no tailwind,

    optimum angle of 22 degrees
    Terminal energy 0.305 FtLbf
    Distance 424 yards.

    (With JSB Exacts)

    So I wasn't far off.

    Interestingly .20 & .22 carry further.
    Quote Originally Posted by trimtrab View Post
    Thats surprised me i would have expected alot less. Can't get my head around .22 traveling further. We used to shoot on council land and they made us section off 200mtr and i thought that would have been enough. live and learn.
    Doesn't the heavier pellet retain more energy over distance? Must be something to do with inertia. That's my guess. Inertia.....or momentum....... no, inertia.
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  3. 17-08-2010, 07:57 PM #3
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    snock
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    Quote Originally Posted by timmaaah View Post
    Doesn't the heavier pellet retain more energy over distance? Must be something to do with inertia. That's my guess. Inertia.....or momentum....... no, inertia.
    Make yer flamin' mind up!

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  4. 17-08-2010, 08:04 PM #4
    timmaaah
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    Quote Originally Posted by timmaaah View Post
    Doesn't the heavier pellet retain more energy over distance? Must be something to do with inertia. That's my guess. Inertia.....or momentum....... no, inertia.
    Quote Originally Posted by snock View Post
    Make yer flamin' mind up!

    Or is it kinetic energy.....




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  5. 17-08-2010, 08:12 PM #5
    Gwylan
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    Quote Originally Posted by timmaaah View Post
    Or is it kinetic energy.....




    Ballistic coefficient.

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  6. 17-08-2010, 08:57 PM #6
    sniperman
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    Quote Originally Posted by Gwylan View Post
    Ballistic coefficient.

    Gus
    Only that(BC) and muzzle velocity matters.
    Starting with the same velocity, the pellet with the better bc will go further.
    Shape and mass determines the bc.
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  7. 17-08-2010, 09:02 PM #7
    tufty
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    I should have studied harder in school....I have no idea what any of you are talking about
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  8. 17-08-2010, 08:14 PM #8
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    SpikeG
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    Quote Originally Posted by timmaaah View Post
    Doesn't the heavier pellet retain more energy over distance? Must be something to do with inertia. That's my guess. Inertia.....or momentum....... no, inertia.
    Yup it does retain more energy (not a lot more though) when you get to .25 the max distance drops btw, but I cant remember what the terminal energy was now (lappy packed away again and I never got round to running chairgun under linux )
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  9. 17-08-2010, 08:41 PM #9
    Apache
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    If you use the idea that the pellet is fired directly upwards then it will accelerate upwards slowing down until it stops, it will then fall. As it falls it will gain speed until it reaches terminal velocity. That is 9.81m/s/s. Force is mass multiplied by acceleration so the heavier the pellet the more force it has at terminal velocity (which would be the same).

    Why do we use big bullets for deer?
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