down shifting on a downgrade

Discussion in 'Questions From New Drivers' started by pops4466, Nov 3, 2015.

  1. dngrous_dime

    dngrous_dime Road Train Member

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    In my Cascadia, I typically just set the cruise "overspeed limiter" to where I want it, it will normally hold me there on most grades. I recently took US-33 through WV and VA, and consequently took about 18 months off my lifespan. It would be a great road for a Kawasaki Ninja, or Mazda Miata. Not so much in a big truck. I spent more time on the jakes in a few hours than I did in the past two months. But yeah, not going into the hill too fast at the start, and judicious use of the three stages of jakes.

    What's really a good time, is hitting a bump for the first time and the jakes engaging themselves, killing cruise. I thought I broke the brand new truck....lol
     
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  3. MidWest_MacDaddy

    MidWest_MacDaddy Road Train Member

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    Sounds complicated... :)

    Thanks for sharing your knowledge and experience.
     
  4. street beater

    street beater Road Train Member

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    What is that? We have a few new trucks that will cut the cruz for seemingly no reason? You say a bump did it?
     
  5. dngrous_dime

    dngrous_dime Road Train Member

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    The Jake control is on a column stalk, RH side. If the bump is severe enough, it drops the lever enough to engage the Jakes, interrupting the cruise. It really threw me off the first time it happened, truck didn't even have 10K miles on it yet...lol
     
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  6. street beater

    street beater Road Train Member

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    Ah, different problem. These trucks will (apparently) drop out of cruz any old time they like. Tooling along... huh? Seems im getting passed all the sudden...
     
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  7. dngrous_dime

    dngrous_dime Road Train Member

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    Mine will very rarely drop the cruise, too. I don't notice until I'm passed, either. Truck rides too smooth and quiet to notice.
     
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  8. MACK E-6

    MACK E-6 Moderator Staff Member

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    Did you look at 33 on a map before you went that way?:biggrin_25523:
     
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  9. MidWest_MacDaddy

    MidWest_MacDaddy Road Train Member

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    Preplan a Trip???? Why???
     
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  10. dngrous_dime

    dngrous_dime Road Train Member

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    Didn't look too bad in the atlas....lol
     
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  11. MACK E-6

    MACK E-6 Moderator Staff Member

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    I'm pretty sure, at least I thought so, that seeing a spaghetti noodle like this on a map would tend to discourage big truck drivers from going that way. :biggrin_25523:

    image.png
     
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