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  • #1

    Antweight Pneumatics

    Hello

    This thread is about antweight pneumatics. Currently in the Antwight rules it allows a maximum working pressure of 7bar. I am proposing a lifting of this ban and moving it to 69bar (equal to the fra rules). However people in the antweight community would like some advise from the people with the know how i.e. Mario, Alan Wood, Paul Cooper etc.

    I am not infavour of Full Pressure Antweights however I am infavour of antweights running from co2 via a regulator.

    What do you guys think?

    Regards
    Ian Mc Donald
    Tags: None
  • #2
    Antweight Pneumatics

    Could you get all the bits in the ant and keep it in the weight limit and size

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    • #3
      Antweight Pneumatics

      Yes you can. Somewhere (i am not quite sure where) i saw a 30g co2 regulator. It takes the pressure down to 1-10bar (not adjustable but you can by 1 bar 2 bar etc.) Considering to make an antweight move you only really need about 20g i think fitting in a 30g reg would not be hard.

      Chris Cummins found some Co2 capsuals for Sodastream that were disposible and lightweight and cheep. (Roughly 5quid for 10). These would be perfect. If the pressure was regulated down to about 5bar then a lego valve can be used. And if a lego valve is used then so can a lego ram.

      The whole set up would probably weigh no more than 70-100g leaving plenty of weight to make the robot move.

      Regards
      Ian Mc Donald

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      • #4
        Antweight Pneumatics

        Ian ...I personally cant see why not ....assuming the set up is SAFE.

        You need however to ask Paul Copper and the FRA to get a ruling / rule change.

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        • #5
          Antweight Pneumatics

          Thats my concern aswell Alan. I am confident i can build it safely as I will ask for help from yourself, paul and mario but not everyone knows what they can and cant do so I am not sure if its safe for everyone.

          Regards
          Ian

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          • #6
            Antweight Pneumatics

            SKS Airgun Co2 Pump :

            Screw on cartridges allow precise dispensing
            125mm long
            Reversible Valve
            Soft insulator on cartridge to reduce cold
            Uses threaded cartridges
            MTB: 43 psi
            Road: 115 psi
            100g


            http://www.sks-germany.com/en/stage.php?mod=detail&bereich=descr&id=4&cid=1&cat= 1&zg=1&seite=2&start=3http://www.sks-germany.com/en/stage....d=4&cid=1&cat= 1&zg=1&seite=2&start=3

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            • #7
              Antweight Pneumatics

              Ian, if you can make your requests through the Antweight FRA rep (Craig Danby) as Craig has already raised this. Ultimately, it comes down to safety and you can be assured that if it can be undertaken safely then I cannot see a reason why it would not be acceptable from a pneumatics perspective.

              Craig has been asked to give details of what builders are proposing so that an informed decision can be made - simply because I do not know enough about the Antweight scene to comment straight away.

              Paul
              FRA Technical Team

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