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Post Info TOPIC: What constitutes "skilled work"?
dogbox


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the possible 64 combinations come from the fact that the low-low split has a bigger gap in rev range than the other 3( low split, direct, high split ) in normal driving the low-low split is rarely used but you can go up a gear in main box shift into low-low split then shift down down in main box shift to lo-split in the joey, it gets complicated . the only reason i have any knowledge of this is that i worked with a guy who lived and breathed macks . his name was kevin from west aus he drove a B-83 not many in aust



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Cupie


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dogbox wrote:

the possible 64 combinations come from the fact that the low-low split has a bigger gap in rev range than the other 3( low split, direct, high split ) in normal driving the low-low split is rarely used but you can go up a gear in main box shift into low-low split then shift down down in main box shift to lo-split in the joey, it gets complicated . the only reason i have any knowledge of this is that i worked with a guy who lived and breathed macks . his name was kevin from west aus he drove a B-83 not many in aust

 See what I mean in my previous post.  Who could understand this stuff.

Sounds like gobblegdy gook to me.   

Certainly a skill to drive a beast with all these boxes. All crash boxes I suppose.  The closest I ever went was a crash box on my old Oakland & changing gears on the work utes without using the clutch. LOL

 

BYW ... Merry XMAS ..  Posting at 7.13 am XMAS morning ...  up early for SWMBO to put the pork loin on .. hot this year for a change .. the ham is glazed & table set ..... only 17 coming today ... Ho Ho Ho



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See Ya ... Cupie
dogbox


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poor simple not very smart truckies ,use to laugh when people would say i got a truck license i can always always get a job as a truck driver.

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yobarr


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Cupie wrote:
dogbox wrote:

the possible 64 combinations come from the fact that the low-low split has a bigger gap in rev range than the other 3( low split, direct, high split ) in normal driving the low-low split is rarely used but you can go up a gear in main box shift into low-low split then shift down down in main box shift to lo-split in the joey, it gets complicated . the only reason i have any knowledge of this is that i worked with a guy who lived and breathed macks . his name was kevin from west aus he drove a B-83 not many in aust

 See what I mean in my previous post.  Who could understand this stuff.Sounds like gobblegdy gook to me.   Certainly a skill to drive a beast with all these boxes. All crash boxes I suppose.  The closest I ever went was a crash box on my old Oakland & changing gears on the work utes without using the clutch. LOLBYW ... Merry XMAS ..  Posting at 7.13 am XMAS morning ...  up early for SWMBO to put the pork loin on .. hot this year for a change .. the ham is glazed & table set ..... only 17 coming today ... Ho Ho Ho

Hi Cupie...as you suggest,all were driven without the clutch,and were indeed crashes boxes.However,64 gears in a combination of gearboxes that has a total of 36 ratios is,I believe,an impossibility? As far as driving without using the clutch,anyone who can't drive an 18 speed road ranger (or a 9 speed,10 speed,13 speed,15 speed etc) without using the clutch should not call himself a "truck driver".I am friends with a man,aged 71,who has been a driver all his life, even owning his own trucks at one stage,and he CANNOT change gears without using the clutch.Cheers

P.S Hope you enjoyed the pork loin?



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dogbox


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yobarr it is the ratio's that make it possible because the ratio is a lot lower in low low split ,not that any one would use then all but the possibility was there . it was worked out an printed in a workshop manual but i think they stopped making them boxes mid to late 60's
example you mentioned the 9 speed r/r when you shift it, 5 in the bottom range , 4 in the top range you don't use first gear in top range because it is to low a ratio you go to the original 2nd gear that becomes 6th gear .
also seen a youtube of getting 19 gear ratios in an 18 speed r/r (why would you bother)


-- Edited by dogbox on Saturday 26th of December 2020 10:09:19 PM

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Craig1


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DSCN4012-001.JPGIn fairness to ALMOST MODERN, Dec 2017. Very skilled cleaner has been a t work



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Cheers Craig
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