Mini spool
Postmaster
Joined: Jul 2003
Posts: 2,711
Likes: 2
From: Pittsburgh
Sorry, but that logic doesn't quite hold. If we were talking about direct torque like using a cheater bar on a rusty bolt then it would, but this is all torsional. For every length of steel in inches, the steel can torsionally deflect a given amount before shattering based upon several factors such as material and hardening techniques.
I don't have the equation in front of me, but the amount of torsional twist is directly proportional to the length of the shaft. Lets say a given sample of steel can torsionally deflect .1" for every inch of length. One inch will twist .1" and then shatter, while two inches will twist .2" before shattering and so on.
All things being equal, the short side shaft will always reach it's failure point before the long shaft.
And you're right, the short side DOES see less force, but can take less before failure. While the longside sees more, it is proportionally less when compared to the torsional yield of the shaft.
Justin
I don't have the equation in front of me, but the amount of torsional twist is directly proportional to the length of the shaft. Lets say a given sample of steel can torsionally deflect .1" for every inch of length. One inch will twist .1" and then shatter, while two inches will twist .2" before shattering and so on.
All things being equal, the short side shaft will always reach it's failure point before the long shaft.
And you're right, the short side DOES see less force, but can take less before failure. While the longside sees more, it is proportionally less when compared to the torsional yield of the shaft.
Justin
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Joined: Sep 2000
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From: Oregon
I told you it was a **** poor explanation, but the bottem line was still true: the short side sees less force, and is less likely to break than the long shaft. Although I understand where your math is coming from, it doesn't apply to making the long side the proper choice when locking only one side in. Lots of theories looks good on paper but don't play out in real situations.
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Posting Guru
Joined: Jul 2003
Posts: 1,486
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From: Independence, MO
Hey guys thanks for all the input! I'm LMAO at some of the comments, 
but i do think it would be a good idea to see if they make a MiniSpool for the dana 60 first,.
P.S Theres no reason to sweat over the axles guys, cuz when it breaks, it breaks! and untill then we is havin FFUUUUUUNNNNNN!!!
but i do think it would be a good idea to see if they make a MiniSpool for the dana 60 first,.P.S Theres no reason to sweat over the axles guys, cuz when it breaks, it breaks! and untill then we is havin FFUUUUUUNNNNNN!!!
Posting Guru
Joined: May 2004
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From: Spokane WA
Originally Posted by proeliator
I told you it was a **** poor explanation, but the bottem line was still true: the short side sees less force, and is less likely to break than the long shaft. Although I understand where your math is coming from, it doesn't apply to making the long side the proper choice when locking only one side in. Lots of theories looks good on paper but don't play out in real situations.
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Joined: Feb 2004
Posts: 851
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From: Longvalley, SD
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Post Fiend
Joined: Sep 2000
Posts: 8,238
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From: Oregon
Originally Posted by 74fordtruck
What is it with you standing up for the stubby, anyways?
Originally Posted by Stroker_Deezel
seth is right(seth is a shaft expert)
Originally Posted by Thomsen
Hey i'm no shaft expert LOL...but pro might be
LOL...but pro might be Yet another tech thread right down the toilet.........
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