Question for Spydermaggers... especially Arstron

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  • warbeak2099
    That is my foot!
    • Jan 2004
    • 4447

    #1

    Question for Spydermaggers... especially Arstron

    Or anyone with a Devilmag or any other electro mag with a pancake noid. What dwell are you running? I try setting my dwell at around 15-20ms to prevent the sear and bolt from getting chewed up, and it is drastically reducing rof. At 20ms I can only shoot like 5-7bps. At 15ms it's like 8-9bps. At 10ms I can actually eek out 10bps. This is all happening while I have the gun set for 15bps ramping when I pull 4bps for 0.5sec. I'm not getting it. Now, when I set the dwell at like 2-4ms, I can actually get the 15bps. Gaaaaah! It's clearly a problem with the dwell, because when I raise the dwell the rof goes down. I'm using a Tboard btw.
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  • VFX_Fenix
    -=Bishop=-
    • Sep 2004
    • 1052

    #2
    Dwell indicates the ammount of "on time" the solenoid experiences.

    i.e. a 20ms dwell means that the solenoid is active for... 20ms.... Then there's a refractory period while the whole thing resets and is ready to activate. So naturally the higher the dwell the lower the ROF.

    20ms = 0.020 sec
    04ms = 0.004 sec

    Comment

    • BigEvil
      www.BigEvilOnline.com

      • Feb 2005
      • 9333

      #3
      20ms of dwell should effect the ROF.

      What board do you have in there? If its the stock Spyder board, its problably capped at 13 bps.

      If its a T-board, you shouldt have any problems. Try the Dwell at 5ms. That wont be a problem with a pancake noid. If you ROF increased dramatically, there probably is something else contributing to the issue.

      Xmags run at 24-30ms and they have no such ROF problems, and the Xmod guys are running at 15 ms without them either.

      Comment

      • warbeak2099
        That is my foot!
        • Jan 2004
        • 4447

        #4
        Yes thank you Fenix I know what dwell is.

        BigEvil, I do have a Tboard and as I said, the rof decreases draatically as I raise the dwell. The only way to get decent rof is to have the dwell at around 2-5ms. And that will cause wear on the mag bolt and sear. I'm going to contact Damon, the maker of the Tboard. Having the dwell at 20ms should not be limiting my rof to 5bps.
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        • Asym
          Registered User
          • Sep 2004
          • 209

          #5
          I use a T-board and set the dwell at 12ms and haven't noticed any wear on the sear or bolt. Think ramping starts at 5 bps and jumps it to 16. Only part with major wear is my bolt bumper, it cut an older blue bumper in half, since then I switched to the softer RT style bumper and glued it in place. This is on my dragun frame with a classic valve.

          What board and chip are you using? I've heard of similar problems when I used to browse the dragun forums on PBN where Damon used to respond to issues about T-boards. Do you run eyes? If not make sure you have eye functions turned off.
          Last edited by Asym; 04-17-2006, 12:30 PM.

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          • warbeak2099
            That is my foot!
            • Jan 2004
            • 4447

            #6
            I'm using a Spyder Tboard with a ramping chip and breakbeam eyes. Damon said to lower the eye delay setting as I raise the dwell. Perhaps that will work, however I have gotten this problem with the eyes off.
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            • Arstron
              fusionowners.org

              • Mar 2005
              • 2347

              #7
              Sorry for the late response, I must have missed this thread. With the stock chip in my tboard (running pure semi), I ran my dragun board with a 20 ms dwell. When I started trying out the ultra chips I ran into some major problems. When in a ramping/full auto mode, the gun would fire fine in semi, but once it started ramping it was like it lost power. and the solenoid would not receive enough power to move the sear. I however didnt have any problems at all getting 9 bps out of the frame with or without eyes. I havnt messed with my dragun frame much in the past couple months, but thats becuse I havnt played that much. I will be playing with it this weekend though without any eyes and I will let you know.

              Somthing you might want to try, try removing the tournament lock jumper and then play with it, I belive that helped with my ramping problem for some reason.

              Comment

              • flyingpootang
                Magtechian with X disease

                • Dec 2005
                • 2276

                #8
                Originally posted by warbeak2099
                Or anyone with a Devilmag or any other electro mag with a pancake noid. What dwell are you running? I try setting my dwell at around 15-20ms to prevent the sear and bolt from getting chewed up, and it is drastically reducing rof. At 20ms I can only shoot like 5-7bps. At 15ms it's like 8-9bps. At 10ms I can actually eek out 10bps. This is all happening while I have the gun set for 15bps ramping when I pull 4bps for 0.5sec. I'm not getting it. Now, when I set the dwell at like 2-4ms, I can actually get the 15bps. Gaaaaah! It's clearly a problem with the dwell, because when I raise the dwell the rof goes down. I'm using a Tboard btw.
                The reason your ROF slows down when you dwell is up is because the pancake solenoid is still energized. This will cause the debounce on your TBoard to bypass any trigger signal. I have a reverse solenoid RT with a T-Board and my dwell is set at 2ms debounce at 2

                Comment

                • Arstron
                  fusionowners.org

                  • Mar 2005
                  • 2347

                  #9
                  Originally posted by flyingpootang
                  The reason your ROF slows down when you dwell is up is because the pancake solenoid is still energized. This will cause the debounce on your TBoard to bypass any trigger signal. I have a reverse solenoid RT with a T-Board and my dwell is set at 2ms debounce at 2
                  2ms dwell? Isnt the dwell on an emag at 18ms? I just set my dwell to 12ms, I will give that a try this weekend and see how it does.

                  Comment

                  • Joni
                    Registered User
                    • Nov 2003
                    • 942

                    #10
                    I have a homemade e-frame (hyperframe noid, mini-morlock).

                    I run 20 ms dwell without any dramatic ROF problems. If I remember correctly, it shot 17cps on FA without issues.

                    I don't know if that helps, but at least you have som more information.

                    /Joni


                    ULE RT Custom

                    Red ULE body
                    ULT
                    Electric Logic vert frame

                    Comment

                    • flyingpootang
                      Magtechian with X disease

                      • Dec 2005
                      • 2276

                      #11
                      Originally posted by Arstron
                      2ms dwell? Isnt the dwell on an emag at 18ms? I just set my dwell to 12ms, I will give that a try this weekend and see how it does.
                      Not an emag its a spydermag. On my Xmag with a pred 2 board the dwell is at 12.

                      Comment

                      • Arstron
                        fusionowners.org

                        • Mar 2005
                        • 2347

                        #12
                        I know he was talking about a spydermag, but the emag has to hold the sear the same way a spydermag does or else it will chew the bolt up on it as well. I was just pointing out that the emag uses a dwell of 18ms (I remember reading that in a post here, but couldnt find it again yesterday), and AGD usually does things for a reason. Also emags have no problems shooting 15 bps so it shows the mag is capable of shooting fast at a higher dwell.

                        Warbreak, what type of battery are you using?

                        Comment

                        • flyingpootang
                          Magtechian with X disease

                          • Dec 2005
                          • 2276

                          #13
                          Originally posted by Arstron
                          I know he was talking about a spydermag, but the emag has to hold the sear the same way a spydermag does or else it will chew the bolt up on it as well. I was just pointing out that the emag uses a dwell of 18ms (I remember reading that in a post here, but couldnt find it again yesterday), and AGD usually does things for a reason. Also emags have no problems shooting 15 bps so it shows the mag is capable of shooting fast at a higher dwell.

                          Warbreak, what type of battery are you using?
                          I understand why emags need a higher dwell. The only reason my spydermag is at 2 is I'm using a reverse sear which only pushes up on the sear. It has no rubbing contact.

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