Hit a 13'6 ¹/² bridge.

Discussion in 'Questions From New Drivers' started by Sygmadriver03, Dec 23, 2020.

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  1. MTN Boomer

    MTN Boomer Road Train Member

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    There is a diference of a few inches between 11/ 22 s and 11/ 24 s. I am paranoid about bridges, I make use of the dump valve a lot.
     
    MTN Boomer, Dec 23, 2020
    #71
  2. Wasted Thyme

    Wasted Thyme Road Train Member

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    It's your fault. Even as a new driver I know you ride lower when loaded than empty. They teach you that day one. Plus your trailer should state it's height. If you barely cleared it going in. You won't going out.
     
    Wasted Thyme, Dec 23, 2020
    #72
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  3. loudtom

    loudtom Road Train Member

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    On a properly functioning air ride suspension, why would the weight of the load change your height? If you add weight and the arm on the valve moves up, it adds air until you're back at the proper height.
     
    loudtom, Dec 23, 2020
    #73
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  4. Wasted Thyme

    Wasted Thyme Road Train Member

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    Have you heard of leaf springs? They bend.
     
    Wasted Thyme, Dec 23, 2020
    #74
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  5. loudtom

    loudtom Road Train Member

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    We're talking about air ride suspensions, not spring ride.
     
    loudtom, Dec 23, 2020
    #75
    Bean Jr. Thanks this.
  6. Eddiec

    Eddiec Road Train Member

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    What is the company policy on truck routing through NYC?
    If the sign says 12' 2" - then there is a problem.
     
    Eddiec, Dec 23, 2020
    #76
  7. Wasted Thyme

    Wasted Thyme Road Train Member

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    Yes. See that nice leaf spring attached to the air bag? You do Pre-Trip right? :rolleyes:

    20201223_111350.jpg
     
    Wasted Thyme, Dec 23, 2020
    #77
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  8. MACK E-6

    MACK E-6 Moderator Staff Member

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    True, but even a full load wouldn’t explain a 4” variance. Even a spring suspension would settle maybe 1 1/2” under a full legal load.

    This smells of a case of a malfunctioning air valve. Now, whether the OP should’ve caught that or not is another argument.
     
    MACK E-6, Dec 23, 2020
    #78
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  9. MACK E-6

    MACK E-6 Moderator Staff Member

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    I thought the westbound side was the lower of those two...
     
    MACK E-6, Dec 23, 2020
    #79
  10. Moose1958

    Moose1958 Road Train Member

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    In the case of a trailer, we are also not just discussing a suspension. If you are talking about a tiny fraction of clearance most likely once unloaded the difference in the tires will be enough. It is a MAJOR mistake to assume a Truck height will remain the same, loaded as opposed to empty.

    I'm not discussing the OPs situation with my reply.
     
    Moose1958, Dec 23, 2020
    #80
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