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Left my sniper cocked overnight :S

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  • #16
    Re: Left my sniper cocked overnight :S

    Originally posted by rockinrobin View Post
    Look at it another way, 19% drop in velocity for a 100% increase in weight.

    Doesn't sound so bad now does it?
    Its only a 50% increase (.1g) so now the figures are starting to look less appealing again

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    • #17
      Re: Left my sniper cocked overnight :S

      My numbers are a very rough estimate, but both 350fps/0.3g and 429fps/0.2g come out at 1.7J so it has to be a "normal" drop in velocity. It can't be abnormal if you work it out mathematically

      Besides don't get caught up in chasing higher velocity. Heavier BB's conserve their energy better

      I would use an 400fps rifle with 0.28g bb's any day over a 500fps one with 0.2g's
      bought [bawt]
      verb
      Simple past tense and past participle of buy.
      brought [brawt]
      verb
      Simple past tense and past participle of bring.

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      • #18
        Re: Left my sniper cocked overnight :S

        Originally posted by old_and_slow View Post
        Its only a 50% increase (.1g) so now the figures are starting to look less appealing again
        Yes, you're quite right [huge facepalm!], but a difference of 31% between weight change and velocity is still pretty good in my book.
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        • #19
          Re: Left my sniper cocked overnight :S

          Originally posted by Ali View Post
          both 350fps/0.3g and 429fps/0.2g come out at 1.7J so it has to be a "normal" drop in velocity. It can't be abnormal if you work it out mathematically
          Sorry, i'm new to a lot of this...............could you (or someone else) PM me the calculation / formula? Thanks

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          • #20
            Re: Left my sniper cocked overnight :S

            yeah the figures aer CORRECt,

            for every .05 gram increase in ammo weight, you will lose 30-40 fps

            so .20 shooting 440 will be around 350-370 on a .3

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            • #21
              Re: Left my sniper cocked overnight :S

              Originally posted by guard-sniper87 View Post
              yeah the figures aer CORRECt,

              for every .05 gram increase in ammo weight, you will lose 30-40 fps

              so .20 shooting 440 will be around 350-370 on a .3
              AH I see, so my FPS is roughly right then, assuming the advertised FPS of 450-ish was on the basis of .20g readings. Won't ever know that unfortunately.

              I'm assuming if you wanted to go heavier than .30g you might want to consider upgrades as (using my situation as an example) I'm getting 350FPS out of .30g right now, I'd only get around 270-290FPS out of .40g.

              Still, the added accuracy and BB stability would be more valuable than loss of power, no?
              Last edited by DavidHD; 7 March, 2011, 16:30.
              There's a part of me that still believes my soul will soar above the trees

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              • #22
                Re: Left my sniper cocked overnight :S

                If you want to be on the safe side, you could buy a Laylax 150% spring

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