floating vs double clutching

Well, it is generally true that Fuller does advocate D/Cing, but it's not totally true for all transmissions they've offered (Same for Rockwell).

If your D/Cing is precise, so should your floating be. They are the same thing other than with D/Cing you use the clutch.

There are those who 'learn" to shift and never take it upon themselves to try and get better at it. Well... I guess they need to eat too!

I believe that's a good opinion. One can be good or bad at either or both.

 

Hmmm, thought the clutch gives you a slightly bigger window to get into gear than floating does. I know when i was double clutching, i could just blast through the gears while upshifting and be fairly sloppy about the rpm range where as floating i got to be dead on nuts with it if i dont even want to hear one single tickle of grind.

However, i found on downshifting, d/c dont mean anything, you got to be just as precise as floating......at least thats my experience. Personally, for downshifting, i like floating and i can do it a few different ways depending on my load. When loaded with liquid, i like to drop in on a downshift with the rpm's going up.

I think a good driver should be able to do it all. Double clutch, float or mix them both for whatever situation come up and most importantly, is mechanically sound on equipment.

 

Closeness of engine speed to transmission speed is the engagement window. I don't see how a clutch can change this engagement window, and I have never noticed anything different. Just hit it dead center.

I've seen many drivers deliberately go too high and go in coming down. In my opinion it is inefficient and it does take a little more time. I have become pretty good over the years of just going up to the rpm I need mty, loaded, uphill or down, 1gear, 2 gears etc. Downshifting is just a math problem whether D/Cing or floating. You just get to know what's right and when.

I'm good with this. Use a clutch when you want to or need to. The important thing (At least to me) is that there eggs with teeth in that thar transmission box. Not to mention who wants to ride around jerking themselves off...bad analogy.

 

what the hell is floating ? i guess im just old i have never herd any of these terms (stab breaking, flotaing) never went to truck driving school so im not up on all this?

 

Floating = Shifting a manual transmission without use of the clutch.

 

6 speed eaton fuller in those Mack 2005s, easiest floaters I have had personal experience with since taco bell came out with the soft taco supreme.

I drive an automatic now, it's nice!

 

Yuppers, the only way to go in my opinion...my knees sure appreciate it anyhow.

You just rev the engine and pop it in or out of gear. Now you OTR drivers probably have the luxury of tachometers. Here in the oilfield it's not uncommon to run into tractors with broken speedos and or tachometers. So it helps being able to shift gears by listening the the engine and gouging speeds by gears and engine noise.

 

You have an old football or war injury?

You do not really drive a truck do you?

I suggest that new drivers reference every tool at their disposal. Tack, speedometer, sound, feel, etc. After a while one shifts mostly without consciously recognizing what is referenced. I do hate those ###### cheat boxes you can mount on the dash though.

You don't go out on the road without a working speedometer do you?

 

Float up shift and down shift.