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Thread: Goofy CO levels

  1. #11
    sbmackie's Avatar
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    Default Re: Goofy CO levels

    Quote Originally Posted by akflyer View Post
    typical to have it coming in under your doors or through leaks in the gear fairings during climb. It is pretty well established and documented. Extend the exhaust or seal up the belly and doors.

    If the exhaust was cracked and it was coming in through the heater it would be constant and rising the entire flight.
    My door seals are like, well, not so much especially on the front seat. Replacing as the Mrs and I nip and tuck on the interior. Speaking of interiors, anyone other then Airtex have carpets?

  2. #12
    Glen Geller's Avatar
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    Default Re: Goofy CO levels

    Quote Originally Posted by sbmackie View Post
    What is a shock boot cover?
    Remove your front seat. In the center of the fuselage there is a structure that the hydrosorb top ends bolt into (the other end of the 'sorbs go to inner gear legs.)
    There should be a two-piece leatherette cover screwed to the floor, snapped on both sides, with a drawstring at the top, kinda looks like a saggy tipi fore and aft of the shock tower.
    Below that are several feet of 1/4" wide gaps where the belly and gear-leg covers are, in the path of the exhaust.
    The shock boot or tipi helps reduce the amount of exhaust seeping in thru the floor via the gaps in the belly.
    If your bungees are really worn, and the inner gear legs are visible when the plane is parked, the gap is even bigger.
    I'd say that CO detector has possibly saved your life.

    You need to order both the front and rear boots if you don't have them.
    https://www.univair.com/piper/parts/...26-piper-boot/
    https://www.univair.com/piper/piper-...per-boot-rear/

    An enterprising person could use old ones as a pattern, but make them about 10% larger as the original parts are a very tight fit.

    Here's a long thread with details and some good pics.

    https://www.shortwingpipers.org/foru...92-Bungee-Boot
    An OEM style installed:
    https://www.shortwingpipers.org/foru...ll=1#post81691
    Pics of owner-produced (maybe improved design):
    https://www.shortwingpipers.org/foru...ll=1#post87009
    https://www.shortwingpipers.org/foru...ll=1#post87044

    This probably was originally something the engineers cobbled up very quickly when the test pilots complained they were getting headaches/sleepy in the early Pacer - the PA15/16/17 had external Cub-style shocks and sealed bellies.

    Happy sealing!
    GG
    Glen Geller
    1955 PA22-150 "One For Papa!"

  3. #13
    walt.buskey's Avatar
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    Default Re: Goofy CO levels

    Great, some MORE parts 57A doesn't have... I always wondered about those openings in the floor around the bungees. Mine's pretty much wide open forward of the battery box around the bungees....
    Last edited by walt.buskey; 10-07-2021 at 04:01 AM.

  4. #14
    Glen Geller's Avatar
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    Default Re: Goofy CO levels

    Here's a quick snip of the homemade shock cover/boot/condom on 14P. My hangar mate had an upholstery guy make five sets for the squadron, based on his decaying OEM part.
    The two parts are screwed to the floor with #6 PKs, front and rear parts snap together outside the inboard tubes. Slot for the flap handle. I think I used two long tywrap at the tops to draw them together, instead of string.
    It probably wouldn't hurt to add another flap of leather/ette from the top horizontal tube to cover it to an inch or so below the seat lever, rally conceal the opening in front, just stick it on with pliobond.
    Glen Geller
    1955 PA22-150 "One For Papa!"

  5. #15
    Glen Geller's Avatar
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    Default Re: Goofy CO levels

    I could not upload the video from my phone, here are two stills, use your imagination. 20211007_172050.jpeg20211007_171927.jpeg

    Sent from my SM-G955U using ShortWingPipers.Org mobile app
    Glen Geller
    1955 PA22-150 "One For Papa!"

  6. #16
    J Ryd's Avatar
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    Default Re: Goofy CO levels

    Heck, I didnt even screw mine to the floor. Just tucked the bottom under the carpet. It made enough of a difference that I just left it that way

    Sent from my SM-G892A using Tapatalk
    ​Jan
    1960 PA22-150 "Spud"

  7. #17
    sbmackie's Avatar
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    Default Re: Goofy CO levels

    Quote Originally Posted by Glen Geller View Post
    Remove your front seat. In the center of the fuselage there is a structure that the hydrosorb top ends bolt into (the other end of the 'sorbs go to inner gear legs.)
    There should be a two-piece leatherette cover screwed to the floor, snapped on both sides, with a drawstring at the top, kinda looks like a saggy tipi fore and aft of the shock tower.
    Below that are several feet of 1/4" wide gaps where the belly and gear-leg covers are, in the path of the exhaust.
    The shock boot or tipi helps reduce the amount of exhaust seeping in thru the floor via the gaps in the belly.
    If your bungees are really worn, and the inner gear legs are visible when the plane is parked, the gap is even bigger.
    I'd say that CO detector has possibly saved your life.

    You need to order both the front and rear boots if you don't have them.
    https://www.univair.com/piper/parts/...26-piper-boot/
    https://www.univair.com/piper/piper-...per-boot-rear/

    An enterprising person could use old ones as a pattern, but make them about 10% larger as the original parts are a very tight fit.

    Here's a long thread with details and some good pics.

    https://www.shortwingpipers.org/foru...92-Bungee-Boot
    An OEM style installed:
    https://www.shortwingpipers.org/foru...ll=1#post81691
    Pics of owner-produced (maybe improved design):
    https://www.shortwingpipers.org/foru...ll=1#post87009
    https://www.shortwingpipers.org/foru...ll=1#post87044

    This probably was originally something the engineers cobbled up very quickly when the test pilots complained they were getting headaches/sleepy in the early Pacer - the PA15/16/17 had external Cub-style shocks and sealed bellies.

    Happy sealing!
    GG
    Thanks for the link and info. Geez, reading the threads, Iíll have to work very slowly to wrap my non technical brain around what initially appears to be a simple fix. Donít know about saving my life, as it drifted down to zero not long after level off, and never got into the dangerous range, but was nice to see and can work on a fix. My door seals are needing replacement as well, which may help. Least Iíll be warmer in the winter, although just the skylight helps there.
    Scott
    Last edited by sbmackie; 10-08-2021 at 12:03 PM. Reason: Change wording

  8. #18
    sbmackie's Avatar
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    Default Re: Goofy CO levels

    Is there another boot/seal that goes around the control column?

  9. #19
    J Ryd's Avatar
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    Default Re: Goofy CO levels

    Yes, where it comes up through the floor

    Sent from my SM-G892A using Tapatalk
    ​Jan
    1960 PA22-150 "Spud"

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