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Re: [GMCnet] lower steering shaft complete new replacement [message #266546 is a reply to message #266542]

Sat, 22 November 2014 20:30

Keith V

Messages: 2337
Registered: March 2008
Location: Mounds View,MN

Karma:

Senior Member

I've done a lot of research into u-joints to get rid of vibration in my vette.
I really don't think its an issue in steering.

The problem is that when a u-joint is rotated while at an angle, the bearings travel in an ellipse. If the u-joints are in the same phase you get vibration. If the u-joint angles are EQUAL AND OPPOSITE, then the ellipses are opposite and you you get cancellation and no vibration.
Vibration caused by phase angle issue are 4 times the rotation speed ( or is it 2x?? )

The steering shaft has a number of differences from a drive shaft.
1. The angles are not equal and opposite. The top angle is way bigger than the bottom. Even if phased correctly there will be vibration
2. The vibration speed will be 4 x (1 or 2) RPM max, 0 driving most of the time, but I really doubt you could feel it. If you can, I doubt you'd care
3. The original shaft only has 1 u-joint, there is no cancellation in that system. No one cares
4. Road feedback will most likely completely swamp and nonlinearity in the steering.

Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com

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[Message index]

		[GMCnet] lower steering shaft complete new replacement By: KB on Sun, 02 November 2014 17:45
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Henderson on Sun, 02 November 2014 18:52
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 02 November 2014 19:53
		Re: [GMCnet] lower steering shaft complete new replacement By: midlf on Sun, 02 November 2014 20:23
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 02 November 2014 21:27
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sun, 02 November 2014 20:20
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 02 November 2014 21:32
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sun, 02 November 2014 22:09
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Henderson on Sun, 02 November 2014 23:06
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sun, 02 November 2014 21:37
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sun, 02 November 2014 22:04
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Mon, 03 November 2014 01:04
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Mon, 03 November 2014 08:11
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Mon, 03 November 2014 10:46
		Re: [GMCnet] lower steering shaft complete new replacement By: midlf on Mon, 03 November 2014 12:12
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Mon, 03 November 2014 14:40
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 November 2014 19:27
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 04 November 2014 00:31
		Re: [GMCnet] lower steering shaft complete new replacement By: Jim at the Co-op on Tue, 04 November 2014 06:26
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Tue, 04 November 2014 11:41
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 04 November 2014 13:49
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Mon, 03 November 2014 13:10
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 November 2014 13:57
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Mon, 03 November 2014 16:11
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 November 2014 18:29
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Mon, 03 November 2014 20:59
		Re: [GMCnet] lower steering shaft complete new replacement By: bdub on Tue, 04 November 2014 11:04
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 04 November 2014 12:26
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Tue, 04 November 2014 15:55
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Tue, 04 November 2014 16:56
		Re: [GMCnet] lower steering shaft complete new replacement By: Jim at the Co-op on Thu, 06 November 2014 07:53
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 12:59
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 12:37
		Re: [GMCnet] lower steering shaft complete new replacement By: Jim at the Co-op on Thu, 06 November 2014 13:05
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 22 November 2014 15:02
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 22 November 2014 15:52
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 22 November 2014 17:25
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 22 November 2014 18:35
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Sat, 22 November 2014 20:30
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Sat, 22 November 2014 20:35
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 22 November 2014 21:52
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Sun, 23 November 2014 13:44
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 23 November 2014 19:55
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Wed, 26 November 2014 14:52
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Wed, 26 November 2014 16:20
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Wed, 26 November 2014 19:53
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Wed, 26 November 2014 14:32
		Re: [GMCnet] lower steering shaft complete new replacement By: Mr ERFisher on Sat, 22 November 2014 17:13
		Re: [GMCnet] lower steering shaft complete new replacement By: RicksGMC on Mon, 03 November 2014 07:23
		Re: [GMCnet] lower steering shaft complete new replacement By: bdub on Mon, 03 November 2014 11:58
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 November 2014 12:32
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Thu, 06 November 2014 13:04
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 15:03
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Thu, 06 November 2014 15:08
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 15:54
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Thu, 06 November 2014 16:56
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Thu, 06 November 2014 17:05
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 19:22
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Fri, 07 November 2014 10:48
		Re: [GMCnet] lower steering shaft complete new replacement By: winter on Sat, 08 November 2014 08:32
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Fri, 07 November 2014 09:42
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Fri, 07 November 2014 12:34
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Fri, 07 November 2014 15:16
		Re: [GMCnet] lower steering shaft complete new replacement By: Bullitthead on Sat, 15 November 2014 22:18
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Fri, 07 November 2014 16:56
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Henderson on Sat, 08 November 2014 23:48
		Re: [GMCnet] lower steering shaft complete new replacement By: JohnL455 on Sat, 08 November 2014 08:49
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sat, 08 November 2014 10:30
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sun, 09 November 2014 07:22
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 08 November 2014 13:37
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 08 November 2014 14:05
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 08 November 2014 16:15
		Re: [GMCnet] lower steering shaft complete new replacement By: Matt Colie on Sat, 08 November 2014 16:54
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 08 November 2014 17:36
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Henderson on Sat, 08 November 2014 20:37
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 11 November 2014 18:36
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Sat, 08 November 2014 23:25
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sun, 09 November 2014 07:47
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 09 November 2014 11:20
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sun, 09 November 2014 11:34
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 09 November 2014 12:05
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 09 November 2014 13:50
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Mon, 10 November 2014 10:58
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Mon, 10 November 2014 11:00
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Mon, 10 November 2014 16:12
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 15 November 2014 16:39
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sat, 22 November 2014 17:12
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 22 November 2014 17:47
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sat, 22 November 2014 18:23
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 18 December 2014 15:43
		Re: [GMCnet] lower steering shaft complete new replacement By: A Hamilto on Fri, 03 July 2015 11:36
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Fri, 03 July 2015 12:05
		Re: [GMCnet] lower steering shaft complete new replacement By: A Hamilto on Fri, 03 July 2015 12:07
		Re: [GMCnet] lower steering shaft complete new replacement By: Hal StClair on Fri, 03 July 2015 13:33
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 02 October 2016 11:44
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 02 October 2016 16:52
		Re: [GMCnet] lower steering shaft complete new replacement By: Hal StClair on Sun, 02 October 2016 22:19
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 October 2016 11:06
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 04 October 2016 08:29
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Wed, 05 October 2016 12:21
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Wed, 05 October 2016 21:06
		Re: [GMCnet] lower steering shaft complete new replacement By: <rallymaster on Sat, 22 November 2014 22:50
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sun, 23 November 2014 06:41
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 23 November 2014 17:09
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Fri, 03 July 2015 07:11
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Fri, 03 July 2015 12:00
		Re: [GMCnet] lower steering shaft complete new replacement By: JR Williams on Sat, 05 October 2019 01:19
		Re: [GMCnet] lower steering shaft complete new replacement By: Silvernort on Sat, 05 October 2019 08:04
		Re: [GMCnet] lower steering shaft complete new replacement By: Norisan on Sat, 05 October 2019 11:03
		Re: [GMCnet] lower steering shaft complete new replacement By: Neil Roach on Sat, 05 October 2019 13:36
		Re: [GMCnet] lower steering shaft complete new replacement By: JR Williams on Wed, 09 October 2019 17:27
		Re: [GMCnet] lower steering shaft complete new replacement By: Justin Brady on Thu, 10 October 2019 09:13
		Re: [GMCnet] lower steering shaft complete new replacement By: MikeB on Thu, 10 October 2019 10:29
		Re: [GMCnet] lower steering shaft complete new replacement By: Bill Van Vlack on Thu, 10 October 2019 16:09
		Re: [GMCnet] lower steering shaft complete new replacement By: Hal StClair on Fri, 11 October 2019 20:46

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