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Thread: Those Pesky Exhaust Studs

  1. #11

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    Default Re: Those Pesky Exhaust Studs

    I see there is Widell Industries that has pneuport grinder. Similar, but their web site doesn’t have prices.


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  2. #12
    Administrator Steve Pierce's Avatar
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    Default Re: Those Pesky Exhaust Studs

    That is funny because the original builder of the Aero Grinder was in Port Richey, FL as well. He is now in Jackson, MS.

  3. #13
    JPerkins's Avatar
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    Default Re: Those Pesky Exhaust Studs

    What spins the grinder head?
    Jason Perkins

  4. #14
    smcnutt's Avatar
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    Default Re: Those Pesky Exhaust Studs

    Pneumatic - air
    It's very slick and fairly easy to use
    “Common sense is in spite of, not the result of, education.”
    ― Victor Hugo

  5. #15
    Administrator Steve Pierce's Avatar
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    Default Re: Those Pesky Exhaust Studs

    It has a die grinder on the bottom. Some more pictures here.
    http://www.supercub.org/forum/showth...-Exhaust-Issue

  6. #16

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    Default Re: Those Pesky Exhaust Studs

    One thing I encounter fairly often on Lycomings is cheap “plain” AN nuts on the exhaust studs instead of the true Lycoming high temp exhaust nut. The AN nuts always seem to corrode and sieze on the stud if they are left on for very long. Big Continental engines use to give me the most grief though. Other mechs (non-A&P) had been using air tools to install the exhaust nuts which over torqued them frequently causing them to gall and break the studs when they siezed during removal.

  7. #17
    Administrator Steve Pierce's Avatar
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    Default Re: Those Pesky Exhaust Studs

    You can get factory Lycoming exhaust nuts STD-1410 and studs from Aircraft Spruce which are stainless although they are not magnetic.

  8. #18
    Shermanj1's Avatar
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    Default Re: Those Pesky Exhaust Studs

    Steve, since the exhaust port wasn’t eroded. Did you still clean up the exhaust port surface with anything?


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  9. #19
    Administrator Steve Pierce's Avatar
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    Default Re: Those Pesky Exhaust Studs

    No, I have used a razor blade to clean up the surface.

  10. #20
    Shermanj1's Avatar
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    Default Re: Those Pesky Exhaust Studs

    Quote Originally Posted by Steve Pierce View Post
    No, I have used a razor blade to clean up the surface.
    Ok thank you! Im in the middle of my annual and had a similar issue


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