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Graupner A109

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  • Graupner A109

    Wrong section i know !!
    Has any one had any dealings with a graupner A109 scale heli, with a OS61.
    Any problems or pitfalls that i sould know about.






  • #2
    i have a graupner jet ranger and agusta 109a both with the graupner uni-mechanics and os61 motors
    they both run fine
    at first i did have a little trouble with the jet rangers mechanic's engine as i knew the heli and knew it had a carburation problem when i bought it the challenge was set to find the problem of it just flooding and not running up
    and i was lucky enough to have the pod and boom bits come with the jetranger so all my testing was done as a pod n boom model
    after completely servicing the carb and it still had the same fault i replace the ring just in case it had been damaged trying to get it to run correctley
    a secondhand carb was fitted and no difference, both carbs where fitted to another engine and they worked perfectly
    and just for something new to try i swopped the exhaust and bingo it was cured the exhaust was giving too much pressure to the tank
    and as the spare 60 exhaust i had didn't fit into the body i had to buy a new exhaust

    that was two years ago and its still running fine
    and here it is
    Attached Files
    Last edited by electricsceadu; 05-11-2009, 06:39 PM. Reason: missed the t off two
    Hirobo Turbulence D3
    a bunch of bls servo's and a 701 gyro
    Powered by an OS91 hz and a MP2
    Winner of the LHC Scale Cup 2011

    1/4 scale Vario Bell 47 G3
    1/3 scale Vario R22
    2012 LHC Scale Cup Judge
    member of save the flybar foundation
    www.alcesterhelicopterclub.bmfa.org
    sigpic

    Comment


    • #3
      we ran an os61 rx with botom exhaust port
      Chris 'CHUNK' Newby
      Trex 700E DFC_Align BL800MX_CC160HV_BL700H_BL750H_Spartan VX1n_Haiyin 5000mAh 12s
      Trex 700E DFC_Align BL800MX_CC160HV_BL700H_BL750H_Spartan VX1n_Haiyin 5000mAh 12s
      NAHC-Newton Abbot Heli Club, check out the website at WWW.NAheliclub.org.uk

      ALIGN-TREX.CO.UK team pilot
      LYNX team pilot
      SPARTAN team pilot
      Dx18

      Comment


      • #4
        depending on how old the uni-mechanics are you can use the rear or side exhaust os61
        the old frame set doesn't allow the side exhaust motor but the new type side frame will fit the old uni-mechanics
        the exhuast still ends up in the same place it's just a different manifold used
        Hirobo Turbulence D3
        a bunch of bls servo's and a 701 gyro
        Powered by an OS91 hz and a MP2
        Winner of the LHC Scale Cup 2011

        1/4 scale Vario Bell 47 G3
        1/3 scale Vario R22
        2012 LHC Scale Cup Judge
        member of save the flybar foundation
        www.alcesterhelicopterclub.bmfa.org
        sigpic

        Comment


        • #5
          this is what mine used to look like
          Attached Files
          Chris 'CHUNK' Newby
          Trex 700E DFC_Align BL800MX_CC160HV_BL700H_BL750H_Spartan VX1n_Haiyin 5000mAh 12s
          Trex 700E DFC_Align BL800MX_CC160HV_BL700H_BL750H_Spartan VX1n_Haiyin 5000mAh 12s
          NAHC-Newton Abbot Heli Club, check out the website at WWW.NAheliclub.org.uk

          ALIGN-TREX.CO.UK team pilot
          LYNX team pilot
          SPARTAN team pilot
          Dx18

          Comment


          • #6
            Nice looking heli





            Comment


            • #7
              cheers, we also had a bell 230 at one time
              Chris 'CHUNK' Newby
              Trex 700E DFC_Align BL800MX_CC160HV_BL700H_BL750H_Spartan VX1n_Haiyin 5000mAh 12s
              Trex 700E DFC_Align BL800MX_CC160HV_BL700H_BL750H_Spartan VX1n_Haiyin 5000mAh 12s
              NAHC-Newton Abbot Heli Club, check out the website at WWW.NAheliclub.org.uk

              ALIGN-TREX.CO.UK team pilot
              LYNX team pilot
              SPARTAN team pilot
              Dx18

              Comment

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