ON/OFF Idea.

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  • Rambozo
    Registered User
    • Jun 2001
    • 49
    #1

    ON/OFF Idea.

    I know I posted this before. But I got zero comments on it.

    Its about the ON/OFF Idea I had a while back. Instead of having a on/off top, body, pin assembly you would have just a piston like piece to slide back and forth through the ON/OFF cavity. This piston would choke down to allow it to pass through the gun body. so every time you would pull the trigger this piston would rise sealing off the passage to the air chamber. and when you release the whole piston will then drop untill it bottoms out against the gun body opening the passage.

    Is this something that AGD allready considered? I imagine that It would work. However I also Imagine it would produce insanely stiff trigger pulls, and be harsh on seals. It would have a larger area for air to push back on it producing a reactive like effect. But I think this would come at the cost of a stiffer trigger. Also the design is far less complex consisting of only 3 pieces. the piston and 2 orings. And there would be no issue flow rate.

    Im shure someone has comments on this right? any thoughts?????
    Tags: None
    • Butterfingers
      PhD in Automagology
      • Jan 2001
      • 2263
      #2
      Well

      Reactive trigger means 2lb trigger pull 4 lbs push back. This is acheived through the RT stepped on/off and the RT regulator design.

      In this setup you whould hae a 32 lb trigger pull and a 32 lb push back, essentially making the mag trigger heavier than it already is. Remember your finger has to push against the air that is pushing back too.

      The larger piston would also restrict air flow and make it easier to short stroke.
      Did you hear about the new european weapons contracts? France is going to make the wooden sticks Spain making the little white flags

        Comment

        • Rambozo
          Registered User
          • Jun 2001
          • 49
          #3
          Oh your right about the trigger pull. And now that I think about it. It wont really have any benefits over stock as far as haveing a reactiveness.

          I dont believe it would be restricting on airflow at all. I mean since it lacks the valve pin, and on/off top. it would eliminate any obstruction.

          But like you say It would more than likely produce a outrageously heavy trigger pull. but thats due to the diameter of the on/off cavity.

          But I wonder why AGD didnt opt for a similar design in the first place. I mean for the sake of simplicity.

          Or is trigger pull soo sensitive to the diamater of this piston that its just not practical to use a valve like this?

            Comment

            • Butterfingers
              PhD in Automagology
              • Jan 2001
              • 2263
              #4
              When you let go of the trigger, the on/off pin unplugs the air input on top of the on/off chamber. The chamber starts to fill as soon as the top becomes unplugged. This means as your finger is traveling down the chamber is already filling. The on/off design allows the input to be unplugged while still allowing the valve chamber hole which is "lower" in the structure of the valve to fill at the same time.

              If you have one peice in order to get maximum flow your finger would have to be at the end of the release stroke for the valve to completely open. Causing shootdown and shortstroking problems. In this case the input would be unplugged but the valve chamber hole would still be covered by the on/off pin.
              Did you hear about the new european weapons contracts? France is going to make the wooden sticks Spain making the little white flags

                Comment

                • Rambozo
                  Registered User
                  • Jun 2001
                  • 49
                  #5
                  But this also depends on where you have this piston seal off the chamber hole. If it seals imediately above the hole then this wouldnt be an issue. the piston doesnt have to be very tall at all. it just has to seal above and below the chamber hole. it doesnt have to make use of the entire valve cavity.

                    Comment

                    • Butterfingers
                      PhD in Automagology
                      • Jan 2001
                      • 2263
                      #6
                      yeah...

                      Those are very tight tolerances to be working with, it would be insanely easy to short stroke.
                      Did you hear about the new european weapons contracts? France is going to make the wooden sticks Spain making the little white flags

                        Comment

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