Originally Posted by OldSub
Matching a drive shaft to power and speed is a standard race car problem and I've seen formulas for calculating diameter and wall thickness at various lengths and speeds. ...
Originally Posted by Grigg
Here are some links to good driveshaft info
http://www.stovebolt.com/techtips/driveline/setup/index.html
Those formulas (and how and why to use them) are also in the Spicer driveshaft manuals found in the driveline tech tip.
I've printed the manuals and stuck them in a notebook, handy to have and easier to use than flipping "pages" on the computer..

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-