Double Clutching

Discussion in 'Questions From New Drivers' started by PierTrucker, Apr 3, 2012.

  1. PierTrucker

    PierTrucker Bobtail Member

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    Apr 3, 2012
    Corpus Christi, TX
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    I just finished school and got a job driving a tanker or vac truck...not sure which yet.

    School, it seems to me, was setup solely for you to pass the written tests and then the road test....it was required that you learn to double clutch as not doing this was a fail on the road test.

    However, now that I have my CDL, I am hearing from experienced drivers, that they don't even use the clutch for shifting, unless at a complete stop.

    Is it common practice not to double clutch, or did I just run into a couple of drivers that are set in their ways?
     
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  3. Gundermin

    Gundermin Bobtail Member

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    Mar 7, 2012
    vermont
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    There are those that do and those that don't. It's kind of like asking which came first, the chicken or the egg? Drivers on both sides claim their way is better, I had an instructor once say "it don't matter it's gonna cost money anyway, just pay it a little at a time or all at once" He was referring to replacing clutches or transmissions.
     
  4. WMGUY

    WMGUY Road Train Member

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    Nine Mile Falls, WA
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    this subject comes up alot do a search and you will see it is a back and forth...
     
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  5. PierTrucker

    PierTrucker Bobtail Member

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    Apr 3, 2012
    Corpus Christi, TX
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    Sorry about that...I'm new to the forum and didn't realize that this was a popular topic...I did a search like you suggested and there is indeed a lot of information on clutching...thanks for the tip.
     
  6. nicholas_jordan

    nicholas_jordan Medium Load Member

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    Mar 31, 2012
    temple texas
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    should be okay, but you have proven my central moaner point - real world does not fully make it into studies, this wont be the only thing you have to "unlearn" or warp around to a realistic view but never let that distract total concentration on what is around and in front of the vehicle as any time one's mind is on other than that we get bad stuff
     
  7. DrtyDiesel

    DrtyDiesel Road Train Member

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    Jacksonville, FL
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    Do what you feel comfortable with.

    Ethan
     
  8. duckdiver

    duckdiver Road Train Member

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    Surf city
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    Much easier to double clutch when youre starting offf, I still double.clutch when up shifting but float when downshifting going up a hill/grade usually if u double clutch then ull be too slow.and miss.the.gear
     
  9. Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    Rancho Mirage, Ca.
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    Double clutching is taught in school and normally required for the DMV road test. Ask the DMV inspector when you are preparing to start the road test if he wants you to downshift and double clutch. After you're on your own, "floating" is much easier, once you master it. Saves wear and tear on the left leg, right ? Remember, it's a long day driving.
     
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  10. DrtyDiesel

    DrtyDiesel Road Train Member

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    Jacksonville, FL
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    This is very true. I used to double clutch all the time cuz that's what i was taught and comfortable with. But I will say I felt weird cuz my left knee would be sore every night.

    I started floating, very rusty at first but decided to not look at my speed and rpms but rather listen to the engine. After I did that i now have no problems floating. One of the members on here said it should only take two fingers to take it out and put it in gear. That's all it takes with floating for me. I will say i had to change my timing a lot. Now when I double clutch I grind cuz my timing is off.

    Oh and my left knee doesn't bother me anymore.

    Ethan
     
  11. kalh7

    kalh7 Light Load Member

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    Mar 28, 2007
    southern illinois
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    geez, i guess im a slow shifter since i use the clutch to downshift going up a hill. Dont remember the last time i missed a gear using the clutch for that. The way i see it in my head you would be shifting slower not using it and more prone to do some grinding. But what do i know, im a dumb truck driver. Lol.
     
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