 Trailing Arm Spherical Bearing |
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| yeahmag |
 Jan 21 2020, 03:25 PM
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#1
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Advanced Member  Group: Members Posts: 2,421 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California 
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It seems to me that the trailing arms are ripe for a spherical bearing mod. The way the rear toe is set leaves much to be desired, even with (if not more) with Delrin/Teflon bushings.
Has anyone tried to modify the inner ears to allow for a spherical bearing? |
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| tygaboy |
Jan 21 2020, 04:59 PM
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#2
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914 Guru Group: Members Posts: 5,292 Joined: 6-October 15 From: Petaluma, CA Member No.: 19,241 Region Association: Northern California
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My buddy Martin was over the other day looking at my Tangerine rear pick up point install and he asked "why don't you add a spherical bearing at the end that "adjusts"?
He used to design and fab ProStock drag bike frames for Kosman so has experience with Harley stuff and he pointed me at the Harley Soft Tail swing arm bearing, of all things. Pictured below. It would require fabbing a "cup" that would weld to the suspension ear, house the bearing and secure it with a circlip. Something to consider, anyway. Attached image(s) 
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| Jeff Hail |
Jan 21 2020, 10:56 PM
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#3
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Senior Member Group: Members Posts: 1,141 Joined: 3-May 07 From: LA/ CA Member No.: 7,712 |
QUOTE(tygaboy @ Jan 21 2020, 02:59 PM)  My buddy Martin was over the other day looking at my Tangerine rear pick up point install and he asked "why don't you add a spherical bearing at the end that "adjusts"? He used to design and fab ProStock drag bike frames for Kosman so has experience with Harley stuff and he pointed me at the Harley Soft Tail swing arm bearing, of all things. Pictured below. It would require fabbing a "cup" that would weld to the suspension ear, house the bearing and secure it with a circlip. Something to consider, anyway. Why not a bolt on solution that's simple and doesn't have a lot of moving parts? Well at least for the folks that have modified the pickups already. Toe in and toe out on both the inner and outer pivots as well as camber adjustment on both ends. Attached thumbnail(s) 
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Posts in this topic
yeahmag Trailing Arm Spherical Bearing Jan 21 2020, 03:25 PM
Mark Henry I think it's been done in needle bearings, I h... Jan 21 2020, 03:56 PM yeahmag I have the Rebel Racing units and while they are g... Jan 21 2020, 04:01 PM sixnotfour Armondo's GT build has em,, "914-6 GT pba... Jan 21 2020, 04:06 PM
Mark Henry
Armondo's GT build has em,, "914-6 GT pb... Jan 21 2020, 04:12 PM jd74914 I've done that. Haven't driven yet, but ch... Jan 21 2020, 04:47 PM jd74914 Sorry, can't find pictures of the real parts f... Jan 21 2020, 04:51 PM yeahmag Very cool! Is the new rod running through the ... Jan 21 2020, 04:55 PM jd74914
Very cool! Is the new rod running through the... Jan 21 2020, 10:19 PM Mikey914 We are actually working on a similar product right... Jan 21 2020, 06:17 PM yeahmag Well then. Let me know if you need some severe dut... Jan 21 2020, 06:21 PM Superhawk996 No spherical for me for street use - no thank you ... Jan 21 2020, 06:41 PM 914forme :agree:
Even for a stock outer that would work. ... Jan 22 2020, 10:41 AM Toby I'm trying to find the geometry of the rear sw... May 25 2020, 09:30 PM mbseto Maybe a dumb question but is the goal to
1) allow... May 26 2020, 02:26 PM |
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