Darn that low ground clearance

Discussion in 'Prime Main Forum (2017-Current)' started by Marine Ray, Dec 27, 2019.

  1. Marine Ray

    Marine Ray Senior Member

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    Today's PP math lesson: low clearance+high centering on a mound of ice=calling a tow truck. Me in Truckee, CA today.

    20191227_140908.jpg
     
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  2. bisco

    bisco cookie crumbler

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  3. Mendel Leisk

    Mendel Leisk Senior Member

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    You're not lowered are you? Not that it's much to begin with.
     
  4. Leadfoot J. McCoalroller

    Leadfoot J. McCoalroller Senior Member

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    Where's an urn full of burnt coffee when you need it?
     
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  5. Marine Ray

    Marine Ray Senior Member

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    No, not lowered.
    Posted via the PriusChat mobile app.
     
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  6. dig4dirt

    dig4dirt MoonGlow

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    darn.

    looks more of a problem than when i got my Gen3 stuck on wet grass.
    I had to use a tow strap wrapped around a tree pulling with my pathfinder.

    I still praise the Prius(s) as being the most reliable of any car in snow.

    But ice, any car is a non-winner in a battle.
     
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  7. Tideland Prius

    Tideland Prius Moderator of the North
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    I scraped my bumper on a high curb today :cry:
     
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  8. Raytheeagle

    Raytheeagle Senior Member

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    No one would help you with a push:whistle:?

    If you’re passing through Truckee, are you on the west side of the pass now:)?

    Safe travels(y).
     
  9. fuzzy1

    fuzzy1 Senior Member

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    If it is truly high centered, human foot power is unlikely to push it free. It needs more force than that, or a lift up.

    Hmm. On comparatively hard ice, in a pinch, maybe jack it up, then push it forward off the jack? May repeat a few times until past the high spot?
     
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  10. Raytheeagle

    Raytheeagle Senior Member

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    If you follow the gradient of the ground and extrapolate, it ain’t that high centered ;).

    I’ve done my fair share of pushing in winter conditions:cool:.

    Good tip about the jack, but given the situation, that jack would be a tough one given the lack of ground clearance:(.
     
  11. fuzzy1

    fuzzy1 Senior Member

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    If that extrapolation told the whole story, then it wouldn't be high centered in the first place.

    When undercarriage crossmembers or protrusions embed themselves in ice or dense snow, resistance to horizontal motion becomes very high. It becomes the same as trying to push or pull a plow blade or anchor through the ground material. Even a couple bolt heads sunk into ice by the pressure can create a strong anchor.

    As have I. Human-powered pushing is for when poor tire traction is the primary issue.

    But when high centered, that tire traction loss is secondary. The primary problem is that much of the 'traction weight' is no longer on the tires, but is shifted to the hidden anchoring protrusions of the undercarriage digging into the high resistance frozen stuff.
     
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  12. Marine Ray

    Marine Ray Senior Member

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    Thanks for the idea. Considered that option and gave it a shot. She was pretty well high centered and the entire area in front was icey. Besides, gave me a chance to use the roadside assistance from my insurance company :)
     
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  13. Marine Ray

    Marine Ray Senior Member

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    My apologies. My photo does not do the situation justice. The passenger side was the high centered area. Yes, driver side doesn't look that bad.
     
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  14. Marine Ray

    Marine Ray Senior Member

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    PS - although not needed (because the tow truck hooked on both sides of the rear suspension), the tow eyelet is located with the jacking package in the charging cable storage area.
     
  15. PT Guy

    PT Guy Active Member

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    Ray, what tires are on the car? If you have the original 3-seasons, yep, you're stuck. If good snow tires, it looks like a push forward--if there's room to go ahead--or a push back just enough to get it moving--would be worth a try.

    So-called all season tires are pretty much worthless on ice. The new all-weather tires with the winter certification are good on snow but again not much good on ice.
     
  16. Mikhail Bond

    Mikhail Bond Junior Member

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    see my thread. just added something.
     
  17. Marine Ray

    Marine Ray Senior Member

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    The original Nanos. Fortunately the tow truck got me out and no under carriage damage.
     
  18. fuzzy1

    fuzzy1 Senior Member

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    He noted that the photo doesn't show the real problem, that is on the other side.

    This incident is a high-centering. When it is really high-centered, even great snow tires won't get it out. There simply isn't enough traction weight on the drive wheels, and too much anchoring weight embedding the undercarriage protrusions into the grounded ice.
     
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