reciprocating mass

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  • redhotguitar89
    Registered User
    • Oct 2005
    • 2

    #1

    reciprocating mass

    I'm doing a report in my physics class on the physics of paintball. I haven't played much paintball, and I want to know if anyone can explain to me what reciprocating mass. I haven't been able to find much on the subject so any equations I could use in my report to explain what it is and how it works would be really helpful, thanks.
  • neppo1345
    I Will Eat Your Children..
    • Oct 2005
    • 1913

    #2
    If i remember correctly from physics last year...reciprocating mass is anything of mass moving back and forth. The reciprocating mass in a mag would be the bolt moving back in forth...so just weigh your markers bolt and you have your mass... In a blow back marker (like a spyder), its the bolt and the hammer. (If you wanted to get fancy, you could factor in the weight of the paintball once the bolt contacts it in both guns.)
    The lower the reciprocating mass, the less kick and more accurate the gun.

    my $.02

    Comment

    • redhotguitar89
      Registered User
      • Oct 2005
      • 2

      #3
      Thanks for your reply, before I do my project I want to know if there is any equation I need to enter the mass of the bolt into, or if that mass equals the reciprocating mass of the gun. Also if you have any equation on how reciprocating mass will affect the accuracy of the paintball gun, which would really help, too. Thank you again.

      Comment

      • Dayspring
        aka- The Day Wang

        • May 2001
        • 9664

        #4
        Well, reciprocating mass can induce kick that will alter the accuracy of a gun. As for an equation? Don't bet on that. It's rather subjecctive. One person's idea of major kick is another's "not so bad" kick.

        Reciprocating mass will be any moving part on the gun that is in line with the flight of the ball.

        On a timmy, that would be the ram assembly, bolt, bolt pin.

        Cocker- bolt, bolt pin, back block, hammer, lug.

        Does this make sense?

        Comment

        • DaveSM
          Registered User
          • Sep 2004
          • 229

          #5
          Originally posted by redhotguitar89
          Thanks for your reply, before I do my project I want to know if there is any equation I need to enter the mass of the bolt into, or if that mass equals the reciprocating mass of the gun. Also if you have any equation on how reciprocating mass will affect the accuracy of the paintball gun, which would really help, too. Thank you again.

          Comment

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