Double Clutching

Topic 14796 | Page 1

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JoAnn G.'s Comment
member avatar

Hi,

I'm new, can anyone help with Double Clutching. I just can't seem to get the rhythm. There is so much to concentrate on when your behind the wheel with a long trailer. Today I came home so upset that I told my husband I wanted to quit. I did 3 miles in the truck yesterday and 4 today after being so frazzled by my instructor yelling at me to revved the engine but didn't bother to tell me up to how many rpm's or the best one is him telling me to make a right turn when I'm already in the center of the road. I guess he thinks a newbie can read his mind. JoAnn

Double Clutch:

To engage and then disengage the clutch twice for every gear change.

When double clutching you will push in the clutch, take the gearshift out of gear, release the clutch, press the clutch in again, shift the gearshift into the next gear, then release the clutch.

This is done on standard transmissions which do not have synchronizers in them, like those found in almost all Class A trucks.

Double Clutching:

To engage and then disengage the clutch twice for every gear change.

When double clutching you will push in the clutch, take the gearshift out of gear, release the clutch, press the clutch in again, shift the gearshift into the next gear, then release the clutch.

This is done on standard transmissions which do not have synchronizers in them, like those found in almost all Class A trucks.

firemedic2816's Comment
member avatar

Repeat this Clutch to neutral Clutch to gear Clutch to neutral Clutch to gear Clutch to neutral Clutch to gear Clutch to neutral Clutch to gear Clutch to neutral Clutch to gear. You mentioned "Reving" the Engine we guess you mean when down shifting? Most trucks I believe is about 500 RPM, you need to watch your Tach If you are driving in let's say 10th gear and you want to down shift to 9th, Look at your Tachometer what ever it is when you Clutch to Neutral add 500 so if you are running at say 1100 RPM when you go into neutral, slightly press the accelerator until you get to 1600 RPM and push the clutch in and should slide right in. Kind of a 2 part QUICK process, soon as you get to the right RPM you got to be moving the clutch pedal and shifter. JUST TAKES PRACTICE. Don't get frustrated with it. Remember in a car it has an AUTO syncronizer in it so just pushing the clutch pedal in lines everything up...In the big rig YOUR are the syncronizer. Also remember when shifting DON'T Push the clutch pedal all the way to the floor or you will engage the clutch brake and have bigger issues, you should only have to push the pedal about an inch or so before it engages. Practice a couple times sitting still to see how far to press it. Clutch to neutral Clutch to gear Clutch to neutral Clutch to gear Clutch to neutral Clutch to gear Clutch to neutral Clutch to gear It is mostly Muscle Memory and once you do it several times you will get it. I went to a school where we drove around the "range" for a day bobtailing, learning up shifting and down shifting, day 2 and 3 we hooked a 53' up and drove around the range that way as well. Day 4 we through about 30,000 of weight in the trailer and hit the road. Our FIRST "Road Day" each of us drove almost 80 miles. By the time I was done with class I had well over 500 miles already. I live in Cincinnati ohio area so we would leave school, drive to Lexington, over to Louisville, North to Indianapolis and then back east to school. Every day each student was averaging about 100 miles a day driving.

PRACTICE PRACTICE....BREATHE Soon you will look back and say to your self....Man that was EASY Clutch to neutral Clutch to gear

Hi,

I'm new, can anyone help with Double Clutching. I just can't seem to get the rhythm. There is so much to concentrate on when your behind the wheel with a long trailer. Today I came home so upset that I told my husband I wanted to quit. I did 3 miles in the truck yesterday and 4 today after being so frazzled by my instructor yelling at me to revved the engine but didn't bother to tell me up to how many rpm's or the best one is him telling me to make a right turn when I'm already in the center of the road. I guess he thinks a newbie can read his mind. JoAnn

Bobtail:

"Bobtailing" means you are driving a tractor without a trailer attached.

Double Clutch:

To engage and then disengage the clutch twice for every gear change.

When double clutching you will push in the clutch, take the gearshift out of gear, release the clutch, press the clutch in again, shift the gearshift into the next gear, then release the clutch.

This is done on standard transmissions which do not have synchronizers in them, like those found in almost all Class A trucks.

Double Clutching:

To engage and then disengage the clutch twice for every gear change.

When double clutching you will push in the clutch, take the gearshift out of gear, release the clutch, press the clutch in again, shift the gearshift into the next gear, then release the clutch.

This is done on standard transmissions which do not have synchronizers in them, like those found in almost all Class A trucks.

Richocet's Comment
member avatar

JoAnn your really just barely pushing, tapping the clutch pedal VERY LIGHTLY, hardly not at all..

Just enough to break the 'tension', then head for next gear. If downshifting 'rev a little' at same time.

I know how instructors probably hate 'floating gears' but, actually, THAT's EASIER and what you'll eventually wind up doing!!!

Floating Gears:

An expression used to describe someone who is shifting gears without using the clutch at all. Drivers are taught to "Double Clutch" or press and release the clutch twice for each gear shift. If you're floating gears it means you're simply shifting without using the clutch at all.

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