What am I missing?

Discussion in 'Experienced Truckers' Advice' started by Steel Dragon, May 13, 2016.

  1. Steel Dragon

    Steel Dragon Road Train Member

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    Have a hard time shifting a semi!
    I`ve read everything,match rpm and speed,25mph, 5th gear around corners,35mph, 8th gear,45mph,9th gear,55mph,10th gear.
    I know which gear,I should be in,but I grind them.
    I cannot,for the life of me,figure out double clutching!
    I understand the concept,clutch,neutral,clutch,
    Gear,but my timing is always off.
    Every downshift,I slow down,and clutch,neutral,rev,cluth gear,grind...lol
    Someome help me!
    Thanks!
     
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  3. KoolKid

    KoolKid Light Load Member

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    Well.... are you trying to double clutch? or float the gears?
     
  4. TROOPER to TRUCKER

    TROOPER to TRUCKER Anything Is Possible

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    floating is way easier that clutching and the mechanics will love you.
     
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  5. Steel Dragon

    Steel Dragon Road Train Member

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    Have to double clutch,for the road test..I would imagine.
    I love tight backing manuevers,I always do excellent,on the backing part,but feel like a chump,grinding gears.
    I know whats required,but always do poor on the road test,due to grinding gears.
    Thanks guys.
     
  6. KoolKid

    KoolKid Light Load Member

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    Completely agree. When I started driving I was the same. Grinding the gears and missing the Gear. Learned how to float and it is so much easier, less maintenance on the clutch too.

    Steel Dragon your over thinking it. Stop trying to match MPH and RPM. you have to listen to your truck. feel your truck. a few times while taking off from a stop, see where your correct RPM is and match the sound of your motor to that RPM. Hard to explain I guess but your over thinking it.
     
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  7. KoolKid

    KoolKid Light Load Member

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    Whenever I would hire on to a new company and had to road test. I told the instructor flat out "I'm not double clutching".

    Every time I would be told "well, just do it once and then you can float".
     
    Lepton1 and Steel Dragon Thank this.
  8. TROOPER to TRUCKER

    TROOPER to TRUCKER Anything Is Possible

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    I learned on a concrete truck which only if empty you can skip shift. When I first started I was single clutching. After pouring driveways and clutching my knee took a beating. So I learned how to float the hard way.
     
  9. Pepper24

    Pepper24 Road Train Member

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    Less maint. On clutch more maint on transmission which would rather replace
     
    Ryan423, okiedokie and Steel Dragon Thank this.
  10. street beater

    street beater Road Train Member

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    Stop rushing it. You have time to find your next gear, slow down your shifting hand. Its easier empty to learn. IGNORE what rev your at, listen to the engine. When up shifting run it up to 18 or so, lay off the gas and the stick can be pushed out easy. Line up for the next gear, lean on it VERY lightly, you will feel but not hear the chatter, a little of the skinny pedal and you will feel the gap, push the stick in. When doing it with the clutch, a light tap of the pedal, you dont need to go deep.
     
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  11. Pepper24

    Pepper24 Road Train Member

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    You shift at rpms not road speed.
     
    Steel Dragon Thanks this.
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