Using hall effect as power source

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  • vivalamexico
    Registered User
    • Sep 2002
    • 175

    #1

    Using hall effect as power source

    Im wondering if there is a solenoid that would switch at a low enough voltage to using induction from a magnet mounted on a trigger. Obviously the end result would be extremely simple limited to straight semi-auto fire but the benefits would be never having to charge a battery ever. It would last as long as the permanent magnet stayed magnetized. Any thoughts?
    Last edited by vivalamexico; 02-16-2009, 02:36 AM. Reason: I spelled source wrong.. im dumb
  • p8ntbal4me
    No more UTBs!
    • Aug 2003
    • 2560

    #2
    Originally posted by vivalamexico
    Im wondering if there is a solenoid that would switch at a low enough voltage to using induction from a magnet mounted on a trigger. Obviously the end result would be extremely simple limited to straight semi-auto fire but the benefits would be never having to charge a battery ever. It would last as long as the permanent magnet stayed magnetized. Any thoughts?

    The way I read the specs off of the HES (any of them) is that its not a poer source,.. but a limit switch that uses a low current to do its work.

    Seeing how the HES USES power.... its not going to do what your thinking of (if I understand you correctly)

    ~ P8nt
    _______________________
    Jai "P8ntbal4me" Menard

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    • Spider-TW
      U R techno-literate!

      • Oct 2006
      • 3554

      #3
      Here's an experiment with a hall effect sensor. Don't get your hopes up though, if you read through it, the sensor is not actually powering the motor.

      The effect is very similar to thermocouples in that you could power a small radio off of an array of them. Having enough h-e sensors to run a solenoid, along with the magnets for them, might make an interesting stage show.

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      • vivalamexico
        Registered User
        • Sep 2002
        • 175

        #4
        Im sorry I said hall effect I think I meant more along the lines of magnetic induction.

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        • Spider-TW
          U R techno-literate!

          • Oct 2006
          • 3554

          #5
          Kind of like a shaker flashlight? You could certainly put either a simple magnet or clutch-type setup on the bolt and pull some electricity off of it. The biggest problems I think are the complexity of the marker and that you would still need a battery (or at least some aerogel capacitor) for power storage. In the end you will probably be pulling at least some, if not most, of that power out of your gas anyway.

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          • vivalamexico
            Registered User
            • Sep 2002
            • 175

            #6
            Yeah sort of like a shaker flashlight but on a smaller scale, using the trigger to push the magnet through a coil of wire to generate a current. I guess you just wont be able to generate enough current to trip a small pilot solenoid that uses air pressure to actuate a larger one?

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            • p8ntbal4me
              No more UTBs!
              • Aug 2003
              • 2560

              #7
              Well you figure the smallest solenoids we have seen used in DIY type setups has been 3volts.

              I think that even with 3volts in a project your talking about,.. still is too high to make the project worth the effort.

              The Electrician would be a help in this kind of subject,.. havent seen him on here in over a year.

              ~ P8nt
              _______________________
              Jai "P8ntbal4me" Menard

              Comment

              • vivalamexico
                Registered User
                • Sep 2002
                • 175

                #8
                Originally posted by p8ntbal4me
                Well you figure the smallest solenoids we have seen used in DIY type setups has been 3volts.

                I think that even with 3volts in a project your talking about,.. still is too high to make the project worth the effort.

                The Electrician would be a help in this kind of subject,.. havent seen him on here in over a year.

                ~ P8nt
                Yeah where is that guy he is seriously helpful ..

                Comment

                • Spider-TW
                  U R techno-literate!

                  • Oct 2006
                  • 3554

                  #9
                  It is easy enough to see how much you have to shake a magnet just to get an led to light, which is very low power. A single sweep of a moderate size magnet will not produce enough power to pull in a solenoid.

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                  • vivalamexico
                    Registered User
                    • Sep 2002
                    • 175

                    #10
                    yeah that sucks. stupid electromagnetic force....

                    Comment

                    • Spider-TW
                      U R techno-literate!

                      • Oct 2006
                      • 3554

                      #11
                      Keep at it though. What you learn in between is at least worth the time if not a new marker.

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