Re: Like a Math Course setting one up


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Posted by Willy-N [72.171.192.61] on Thursday, September 10, 2015 at 15:51:41 :

In Reply to: Re: Jack Shaft Angle Degrees? posted by Sherman in Idaho [72.47.153.163] on Thursday, September 10, 2015 at 13:32:57 :

There is a lot of stuff on the net about this and it is like a science setting one up correct. Makes for interesting reading.

Operating Angle:

Operating angles in a driveshaft are the angles between the pinion, driveshaft and transmission centerlines. The optimal angle for any driveshaft to run at is 1/2 degree, where many vibrational and frictional problems are non-existent. In order to minimize power loss and vibration in an offset configuration, the pinion centerline and the transmission centerline need to be parallel. In general, the largest angle for racing applications should 2 degrees and the centerlines should be parallel within 1/2 degree. With suspension movement the operating angle will increase, but should not exceed 15 degrees. If the centerlines are off too far, the u-joints travel at uneven operating velocities, causing vibration (this is the same problem induced by poorly phased end yokes). This vibration is hard to distinguish from an unbalanced driveshaft.




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