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  1. #1

    Join Date
    Dec 2004
    Hermosa Beach, CA
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    Multiplex Acro Master Vibration Problem?

    Hello fellow E flyers,

    My Acro Master flew perfectly for about 90 flights. This is a great plane and fun to fly. I now fly it more often than I fly my large planes. But it now has a problem.

    After the 90 flights it went from very quiet to a loud vibration sound. ..... I checked the prop, replaced the motor, tightened all (37? ;-) mounting screws (per the factory). The last seemed to help a lot. ...... BUT the plane still makes a small vibration sound.

    A flying buddy said he saw on one of the forums (, but I was unable to find this site?) that someone posted that the plane needs another brace on the motor mount and a foam block up front to solve this problem after the 1st 50 to 100 flights.

    Does anyone know about this fix ????? ..... TIA for your help.


  2. #2
    tIANci's Avatar
    Join Date
    Jan 2004
    Kuala Lumpur, MALAYSIA

    RE: Multiplex Acro Master Vibration Problem?

    Try RCGroups.Com, you friend might mean that. Also, check the motor mount, is there any free play?? Check the outrunner, anything loose on that end? Balanced the prop?
    Its nice to be important, but its more important to be nice ...
    Revver Brotherhood No. 232

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