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Old 11-04-2010, 05:53 PM   #3
fixit-p
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Join Date: Dec 2008
Location: Yay Area CA
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Re: Why a 2 piece driveshaft?

As a drive line gets longer the critical speed goes down you can increase the critical speed by using a larger, thicker tube or both. Critical speed is the point where the drive-shafts rpm's match the frequency of the material and begins to bend off its centerline.

Good reading here>>> http://www2.dana.com/pdf/J3311-1-DSSP.pdf

Ujoint listings here w/dimensions>>>http://www2.dana.com/pdf/K350-1-DSSP.pdf
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