Two piece drive shaft
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Fleet Mechanic
Joined: Oct 2003
Posts: 1,371
Likes: 10
From: Green Springs, OH
Two piece drive shaft
Hey guys just wonderin why my truck has a two piece rear driveshaft and others I see has only one piece. My truck info is down below and the gvwr is 6500lbs. Just wondering if anyone knows the answer to this question. Oh yeah it has a C6 and a np205.
Thread Starter
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Fleet Mechanic
Joined: Oct 2003
Posts: 1,371
Likes: 10
From: Green Springs, OH
Sorry about that it is a regular cab, long bed pretty standard I think it is 133". Also how about finding out how much suspension lift it has I need to know want to get new C bushings it has
2 3/4" drop brackets on the radius arms not sure whether it has a 4 or 6in lift.
2 3/4" drop brackets on the radius arms not sure whether it has a 4 or 6in lift.
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
The driveshaft span is determined by the diameter of the shaft, the type of steel and the rpm's etc. They pop all of that into some fancy formulas and out pops a max distance. Some trucks then take a three piece shaft. Your shaft with the carrier bearing is considered a three piece shaft because of the spline joint.
Junior User
Joined: Mar 2002
Posts: 80
Likes: 0
From: sunny southern callie
heres how it goes if you make the drive shaft too long it starts a whip. no matter how ballanced it is it will shake like its gonna come out. its nothin like you ever heard in your life. materal and size to take a part in it but its mostly a length.
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
I can get you the formula if you want it but it would be useless without all kinds of info on materials and bearing structures. I have had to design power transmission and motion control shafts in machines. When a shaft reaches it's critical rpm it will sound like all hell is breaking loose. The driveline shops have tables they use that simplify things a lot. The tables make certain std assumptions about materials that simplify things.
FTE Chapter Leader
Joined: Sep 2000
Posts: 3,862
Likes: 5
From: Beachville, Ontario
I would like the formula if it's not too much trouble. Might come in handy if I need to design something that is shaft driven.
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Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Here are some sites that have the software to do it:
http://www.hexagon.de/wl1_e.htm
http://www.kisssoft.ch/doku/KISSsoft...ight-shaft.pdf
http://www.romaxtech.com/software/da...prog_rxdyn.pdf
http://www.mitcalc.com/en/pr_shaft.htm
http://www.geocities.com/brybolt/software.html
This one is of interest to automotive enthusiasts:
http://www.raceshafts.com/critical_speed.htm
You can also find the information in Machinery's Handbook and the Handbook for Mechanical Engineers.
http://www.hexagon.de/wl1_e.htm
http://www.kisssoft.ch/doku/KISSsoft...ight-shaft.pdf
http://www.romaxtech.com/software/da...prog_rxdyn.pdf
http://www.mitcalc.com/en/pr_shaft.htm
http://www.geocities.com/brybolt/software.html
This one is of interest to automotive enthusiasts:
http://www.raceshafts.com/critical_speed.htm
You can also find the information in Machinery's Handbook and the Handbook for Mechanical Engineers.
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