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Thread: strut bearings vs strut bushing vs Teflon liner

  1. #1
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    Default strut bearings vs strut bushing vs Teflon liner

    Well, I had to ask , strut bearings vs bushing vs Teflon , non racing applications for sport hydro. What say ye? for 3/16 flex.
    Last edited by paulejr; 04-16-2023 at 09:59 PM. Reason: sp

  2. #2
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    It depends what you are looking for. For max efficiency ball bearings and Teflon with oil for lube. But flex and bearings need cleaning out and re-oiling after every run, and bearings will need replacing periodically. For ease of maintenance no Teflon and a floating bushing will last nearly forever, and the shaft just needs cleaning an re-greasing every few runs or at the end of the day.

    Alternatively wire drives are the bomb as long as you don't have a tight bend.
    Paul Upton-Taylor, Greased Weasel Racing.

  3. #3
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    Thanks Paul , good to know. If using bearings , what oil is used? 3n1 oil, gear lube, wd 40, sewing machine oil, gun oil .... on and on...

  4. #4
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    Don't use regular WD40 as a lubricant, it isn't one (though it does have some minor lubricating properties). Having said that I use WD40 branded PTFE loaded lubricant as i find the smart straw system convenient, but sewing machine or 3in1 work fine too. I haven't tried gun oil but from what i remember it is stinky stuff and probably more about corrosion resistance than lubrication.
    Paul Upton-Taylor, Greased Weasel Racing.

  5. #5
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    Air tool oil.

    Larry
    Past NAMBA- P Mono -1 Mile Race Record holder
    Past NAMBA- P Sport -1 Mile Race Record holder
    Bump & Grind Racing Props -We Like Em Smooth & Wet

  6. #6
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    Huh, I would never thought that, as it is pretty thin? On parr with Marvel Mystery oil ???

  7. #7
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    It is a high RPM bearing oil, I use it on all my motor bearings.
    So why not use it on Ball Bering's in a strut.

    Larry
    Past NAMBA- P Mono -1 Mile Race Record holder
    Past NAMBA- P Sport -1 Mile Race Record holder
    Bump & Grind Racing Props -We Like Em Smooth & Wet

  8. #8
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    Indeed, some air tools hit 25k rpm ... huh. ..thanks for the tip !

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