X Valve pin and E mode

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  • FA22RaptorF22
    AO-CT
    • Nov 2006
    • 593

    #1

    X Valve pin and E mode

    Ok, heres the deal. My X-Mag has a tuned level 10 and standard on/off. This r/t has been tested beyond 30 cps with no problems.

    With a caliper the on/off pin measures .701 in. I am told that X valves should be .712; Still, that being said, it operates fine.

    Edit: Tolerances for all sear components have been verified as correct as well.

    The problem is with E mode. The noid is able to fire shots off at a rof under 8 bps. If i shoot faster, it chuffs in a manner such that i am short stroking the valve.

    ----Would you say this is the pin's fault, or something else? I mean, what is there to prevent you from firing off the noid mid bolt stroke?

    Thanks-
  • Ando
    Magusmaximus
    • Jun 2009
    • 4144

    #2
    Take your calipers and ck the length of your plunger and sear

    Plunger = 3.005

    Sear = 2.125

    You have the proper on/off pin

    EDIT: Just seen your EDIT...Adj your plunger in .005 increments till it start working properly.

    Your plunger might have gone Tango Uniform.
    See what adj it does for you.

    EDIT # Dos

    Have you been rapid firing this thing before? I know you been posting on BE about going ludicrous speed on your mag. You might have torched your plunger, worst case the board.
    Last edited by Ando; 01-05-2010, 11:12 PM.
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    • FA22RaptorF22
      AO-CT
      • Nov 2006
      • 593

      #3
      Originally posted by Ando
      Take your calipers and ck the length of your plunger and sear

      Plunger = 3.005

      Sear = 2.125

      You have the proper on/off pin

      EDIT: Just seen your EDIT...Adj your plunger in .005 increments till it start working properly.

      Your plunger might have gone Tango Uniform.
      See what adj it does for you.

      EDIT # Dos

      Have you been rapid firing this thing before? I know you been posting on BE about going ludicrous speed on your mag. You might have torched your plunger, worst case the board.
      Its 1am here...so no tuning tonight lol, but I will try adjusting the plunger. This thing has had a little bit of rapid firing, but the noid, board and plunger are perfect and in adjustment.

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      • Tao
        Registered User
        • Jan 2006
        • 834

        #4
        Originally posted by FA22RaptorF22
        The problem is with E mode. The noid is able to fire shots off at a rof under 8 bps. If i shoot faster, it chuffs in a manner such that i am short stroking the valve.


        Thanks-
        I get this with the xmod full auto with anything over 15 BPS. I am curious to the cause as well.

        **I have not fired the gun in full auto for long lengths of time to fry the noid

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        • FA22RaptorF22
          AO-CT
          • Nov 2006
          • 593

          #5
          Originally posted by Tao
          I get this with the xmod full auto with anything over 15 BPS. I am curious to the cause as well.

          **I have not fired the gun in full auto for long lengths of time to fry the noid
          Right, but mine does this at like 8 bps. Also, with xmod, to fix that, just mess with your dwell a little bit.

          Also, how long is your on/off pin, and input pressure TAO?

          Comment

          • SSP REAPER
            FKC Founding Member

            • Aug 2008
            • 1831

            #6
            Originally posted by FA22RaptorF22
            Right, but mine does this at like 8 bps. Also, with xmod, to fix that, just mess with your dwell a little bit.

            Also, how long is your on/off pin, and input pressure TAO?
            your dwell should be set at 15 for xmod. my on off pin is .7005 as well.

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            • FA22RaptorF22
              AO-CT
              • Nov 2006
              • 593

              #7
              Originally posted by SSP REAPER
              your dwell should be set at 15 for xmod. my on off pin is .7005 as well.
              Why should it not be .712 like everyone else recommends? .701 is closer to an emag pin....no?

              Comment

              • Ando
                Magusmaximus
                • Jun 2009
                • 4144

                #8
                Ya guys. I forgot about the Dwell and what not you can mess with. I would go that route first before you start adj anything. You guys need to download the X-Mod manual. There's a ton of good stuff in it. Especially you Raptor since you know all your measurements are on the mark. Could just be a software tuning issue.


                EDIT:
                Originally posted by FA22RaptorF22
                Why should it not be .712 like everyone else recommends? .701 is closer to an emag pin....no?
                Cause Reaper I'm sure tweaked his lowers, you can shave the pin as short as you want (or until you screw it up) to get what ever performance your after. .712 is E-mag length but you need to do some adjusting if you wanting to go over a certain BPS in E-mode. There is an invisible wall that a stock E-Mag will hit without the tuning, timing and tweaking of certain parts.

                A few of the Mag-Tech Monkey here already trouble shot it to death, I just don't remember who it was.
                Last edited by Ando; 01-06-2010, 09:23 AM.
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                • SSP REAPER
                  FKC Founding Member

                  • Aug 2008
                  • 1831

                  #9
                  .712 is your stock Emag pin length. With Xmod you can go a little shorter on the pin for a little more performance without any worries. Check the strength of your solenoid and make sure it's healthy.

                  To do so:

                  Pull rail off lowers and hold the sear up a little bit with your finger. Next power up the lowers and in whatever mode you want, pull the trigger. Make sure your sear lockout (rear safety) isn't on. Your solenoid should pull that sear down with a little bit of force. If not, contact tunaman about a solenoid. Also check your battery and make sure it isn't on it's way out either.

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                  • FA22RaptorF22
                    AO-CT
                    • Nov 2006
                    • 593

                    #10
                    Ok guys. I have checked the noid numerous times.

                    This noid is strong and pulls hard enough to hurt your fingers

                    I have used xmod in the past, but I do not have a programmer and It currently has AGD 4.01 with custom boot message. Only fire mode is semi. I cannot change dwell.

                    The valve should keep up.

                    Suggestions?

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                    • SSP REAPER
                      FKC Founding Member

                      • Aug 2008
                      • 1831

                      #11
                      are you using a quad o-ring with your on/off or standard o-ring?

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                      • FA22RaptorF22
                        AO-CT
                        • Nov 2006
                        • 593

                        #12
                        Originally posted by SSP REAPER
                        are you using a quad o-ring with your on/off or standard o-ring?
                        I sadly can't tell i never took those out.

                        It looks like a set of three rings or something like that, so i assume that its a quad

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                        • Ando
                          Magusmaximus
                          • Jun 2009
                          • 4144

                          #13
                          Originally posted by SSP REAPER
                          are you using a quad o-ring with your on/off or standard o-ring?
                          FYI...That Oring will be black in color and look funny almost like it's has flat spots in it.
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                          • FA22RaptorF22
                            AO-CT
                            • Nov 2006
                            • 593

                            #14
                            Originally posted by Ando
                            FYI...That Oring will be black in color and look funny almost like it's has flat spots in it.
                            Well im not sure, what difference does it make?

                            The gun works, and works well, so I dont see why i would have to change orings.

                            Comment

                            • SSP REAPER
                              FKC Founding Member

                              • Aug 2008
                              • 1831

                              #15
                              Originally posted by FA22RaptorF22
                              Well im not sure, what difference does it make?

                              The gun works, and works well, so I dont see why i would have to change orings.
                              it helps seal better

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