Talk:Steering shaft assemblies from junkyard parts

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  i like this article but there are some flaws in the design. I am currently finishing a 350/th400 in a 84 ranger, so I'm going thru the same fiery hoops that this guy is going thru. One, If the hemi joint is not a designated "square" bearing the longevity will be diminished. I had to have a pipe lathed down and welded. Two his two carden joints are out of phase 90 degrees. It may work but not with out unnecessary movement. I repeat I like his creativity and design and appreciate the thank you for the effort.
 
  i like this article but there are some flaws in the design. I am currently finishing a 350/th400 in a 84 ranger, so I'm going thru the same fiery hoops that this guy is going thru. One, If the hemi joint is not a designated "square" bearing the longevity will be diminished. I had to have a pipe lathed down and welded. Two his two carden joints are out of phase 90 degrees. It may work but not with out unnecessary movement. I repeat I like his creativity and design and appreciate the thank you for the effort.
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I agree with the comments above.  I tried to add almost the exact observation (and similar praise) for the described project
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on the WIKI page but got erased immediately.  Another problem with the design as shown is the Heim intermediate bearing is redundant.
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If the top shaft bearing is adequately rigid and the steering box is obviously rigid, the Heim bearing will only serve to add
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stress to the system.  It is impossible to perfectly line up three in-line bearings and this added constraint will add stress. 
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May be minimal but is a negative.  The bearing is not needed just ad intermediate bearings are not called for in a two U-joint
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drive shaft.  Otherwise I applaude the Pick-A-Part approach!
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jaj

Revision as of 00:54, 1 September 2009

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