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a65 MOUNTS

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  • #1

    a65 MOUNTS

    Its time to replace my 30 year old mounts any suggestions possble polyeathane ? reason im asking is i used them on my 73 mustang that was 15 years a go and they are still in good shape but cost is everything right now .
    hope yeaaalll got to fly this week end sure was nice in the east








    mac n26633
    2w6 md
    Tags: None
  • #2
    Re: a65 MOUNTS

    Check this link:
    No longer supported
    http://www.aircraftspruce.com/catalog/eppages/enginemountbushings.php
    Dick Smith N5207M TF#159

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    • #3
      Re: a65 MOUNTS

      DO NOT USE SUPERIOR RUBBERS. They are too soft and will go away quickly. Find and use Continental mounts only.

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      • #4
        Re: a65 MOUNTS

        As cheap as they are and as easy as they are to change just get the rubber ones. I've never seen poly bushings, but they'd be rock hard if you could get them, kind of defeating the purpose. Although if yours are 30 years old they are no doubt hard as a rock now. $1.50ish a piece times 8 is hard to beat for airplane parts and with a cherry picker about an hour to change.
        CJ
        If you can read this, thank a teacher....
        If you're reading it in english, thank the military

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        • #5
          Re: a65 MOUNTS

          Unless you have some good very engineering capability behind you, the vibration absorption characteristics of a urethane (or other compound rubber cone) on a Continental installation are unknown. This means that some part of the airplane that has been protected from excess vibration for 65 years may now be exposed to harsh vibrations.

          The engine guys will be rightfully worried about its effect on prop harmonic resonance, torsional crankshaft vibration, etc.

          The airframe guys will rightfully be worried about the possibility of "work hardening" the steel fittings and bolted joints.

          There may well be a better space age material that works wonderfully, and I'd be the first to try it, but it has to be run through the vibration analysis and engineering people first. There are many urethane and other compound bushings used in hi-po car suspensions, but those are different vibration environments than an engine mount. If there was a NASCAR or F-1 racing engineer who happened to love Taylorcrafts, then that would be the person to ask!
          Taylorcraft : Making Better Aviators for 75 Years... and Counting

          Bill Berle
          TF#693
          http://www.ezflaphandle.com
          http://www.grantstar.net
          N26451 (1940 BL(C)-65) 1988-90
          N47DN (Auster Autocrat) 1992-93
          N96121 (1946 BC-12D-85) 1998-99
          N29544 (1940 BL(C)-85) 2005-08

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          • #6
            Re: a65 MOUNTS

            thanks guys for the heads up . buy the way im selling my kr2 tri gear anul good till dec 08 7.500 is the asking price very fast and if you like the speed of the taylorcraft you love the kr2.










            billy mcfarland 301 994 1121

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