shootdown?

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  • emopunker2004
    Registered User
    • Dec 2006
    • 94
    #1

    shootdown?

    so i have my leak fixed, now shootdown... could this be caused by the RT on/off i put it. you can hear it when just shooting air and you can see it with paint. S

    So i decided to put my stock on/off. sounds like the shootdown is gone. too late to go out back and shoot some paint though. could the on/off cause that?

    Also, my valve has 1 star left on it. AGD still does the free rebuild for the stars right?
    Tags: None
    • SSP REAPER
      FKC Founding Member

      • Aug 2008
      • 1831
      #2
      Originally posted by emopunker2004
      so i have my leak fixed, now shootdown... could this be caused by the RT on/off i put it. you can hear it when just shooting air and you can see it with paint. S

      So i decided to put my stock on/off. sounds like the shootdown is gone. too late to go out back and shoot some paint though. could the on/off cause that?

      Also, my valve has 1 star left on it. AGD still does the free rebuild for the stars right?
      AGD does not do free repairs anymore (Star program).

        Comment

        • Ando
          Magusmaximus
          • Jun 2009
          • 4144
          #3
          You have another tank you can try out?
          My Feedback

            Comment

            • emopunker2004
              Registered User
              • Dec 2006
              • 94
              #4
              i dont. i dont think its the tank. there is a noticable difference in sound when rapid firing with the stock on/off vs the RT on/off. u can hear the air dropping off with the RT on/off on it

                Comment

                • Ando
                  Magusmaximus
                  • Jun 2009
                  • 4144
                  #5
                  Originally posted by emopunker2004
                  i dont. i dont think its the tank. there is a noticable difference in sound when rapid firing with the stock on/off vs the RT on/off. u can hear the air dropping off with the RT on/off on it
                  Might be something as simple as shortening your on/off pin. Try taking some meat off it.

                  Worst case, you might have a valve that won't work with it.
                  Last edited by Ando; 02-13-2010, 09:24 PM.
                  My Feedback

                    Comment

                    • emopunker2004
                      Registered User
                      • Dec 2006
                      • 94
                      #6
                      yeh. well i'm not gonna fuss with it right now. i'll deal with it later. hopefully playing some ball tomorrow so the stock on/off will work for now

                        Comment

                        • athomas
                          Of course it works-its AGD
                          • Jan 2002
                          • 8039
                          #7
                          If the pin is longer than the stock on-off it could cause shootdown. The geometry of the assembly should be exactly the same length as long as the retro on-off is standard .750" length.

                          Is the trigger slow coming back? That would indicate a tight on-off oring.
                          Except for the Automag in front, its usually the man behind the equipment that counts.

                            Comment

                            • emopunker2004
                              Registered User
                              • Dec 2006
                              • 94
                              #8
                              nope. the trigger comes back relatively normal i believe

                                Comment

                                • athomas
                                  Of course it works-its AGD
                                  • Jan 2002
                                  • 8039
                                  #9
                                  Then it is probably related to on-off pin length. If you have level 10 shims, put one or two between the two retro on-off assembly halves. This will simulate a shorter pin and it should make a difference if that is the problem.
                                  Except for the Automag in front, its usually the man behind the equipment that counts.

                                    Comment

                                    • FA22RaptorF22
                                      AO-CT
                                      • Nov 2006
                                      • 593
                                      #10
                                      Per AGD. Shootdown is a velocity problem. Therefore velocity is a problem before the on off, or to do with the regulator section.

                                      If you fire a shot and hold down the trigger, you should get no leaks. If it sputters, you need a new on/off ring. If all is good, check the regulator.

                                      I would say a dirty cylinder around the reg piston, or reg seat oring needs lubing.

                                        Comment

                                        • emopunker2004
                                          Registered User
                                          • Dec 2006
                                          • 94
                                          #11
                                          anyone got a shim they wanna throw in an envelope and mail to me? lol

                                            Comment

                                            • Ando
                                              Magusmaximus
                                              • Jun 2009
                                              • 4144
                                              #12
                                              Originally posted by FA22RaptorF22
                                              Per AGD. Shootdown is a velocity problem. Therefore velocity is a problem before the on off, or to do with the regulator section.

                                              If you fire a shot and hold down the trigger, you should get no leaks. If it sputters, you need a new on/off ring. If all is good, check the regulator.

                                              I would say a dirty cylinder around the reg piston, or reg seat oring needs lubing.
                                              LTR...

                                              Emopunke,
                                              PM me your address. I have a few lvl 10 shims I can send ya.
                                              Last edited by Ando; 02-14-2010, 11:47 AM.
                                              My Feedback

                                                Comment

                                                • athomas
                                                  Of course it works-its AGD
                                                  • Jan 2002
                                                  • 8039
                                                  #13
                                                  Originally posted by FA22RaptorF22
                                                  Per AGD. Shootdown is a velocity problem. Therefore velocity is a problem before the on off, or to do with the regulator section.
                                                  Not all the time. If the air passage is partially blocked by anything, such as an on-off pin that isn't fully opened, it doesn't allow the chamber to fully recharge before the next shot is fired. In a gun that was previously working fine and nothing has changed, then shootdown would probably be the regulator section. In this case where it seems to be dependent on which on-off is installed, it is more likely the on-off assembly that is causing a reduced air flow.

                                                  Now, that being said, it never hurts to clean the regulator section and check the orings.
                                                  Except for the Automag in front, its usually the man behind the equipment that counts.

                                                    Comment

                                                    • FA22RaptorF22
                                                      AO-CT
                                                      • Nov 2006
                                                      • 593
                                                      #14
                                                      Originally posted by athomas
                                                      Not all the time. If the air passage is partially blocked by anything, such as an on-off pin that isn't fully opened, it doesn't allow the chamber to fully recharge before the next shot is fired. In a gun that was previously working fine and nothing has changed, then shootdown would probably be the regulator section. In this case where it seems to be dependent on which on-off is installed, it is more likely the on-off assembly that is causing a reduced air flow.

                                                      Now, that being said, it never hurts to clean the regulator section and check the orings.
                                                      Ahh very good point. Yes..incorrect pin lengths would cause some issues.

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