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Glitch
by BobtheTrain - 18/07/25 05:47 PM
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Forums34
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Aug 24th, 2023
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Joined: May 2014
Posts: 360
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Quoting PaulJ:- "as long as the taper is fully fitted into the steering arm and the shoulder is in contact with the base".
With all due respect, in the real world this situation will never happen and it will always be one or the other.
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Joined: Jan 2014
Posts: 462
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Learner Plates Off!
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That part failure is exactly what happen to me too.
I replace the bolt with a Grade 8 bolt and nut.
never going to break again!
JV Sclafani
Boca Raton, FL
'13 M3W Metallic Orange Pearl
128CI Steered by Empire - Riding on Ohlins
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Joined: Apr 2013
Posts: 215
L - Learner Plates On
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L - Learner Plates On
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The diameter of the bolt is 10 not 12
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Joined: Jan 2015
Posts: 56
Just Getting Started
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Just Getting Started
Joined: Jan 2015
Posts: 56 |
Does anyone know the material of the riser shipped by Empire, and if it's hardened after machining?
2013 M3W
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Joined: Aug 2012
Posts: 2,356 Likes: 2
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2012
Posts: 2,356 Likes: 2 |
Sorry i thought it was 12
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Joined: Jan 2014
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Has a lot to Say!
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Has a lot to Say!
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Does anyone know the material of the riser shipped by Empire, and if it's hardened after machining? If you go to the bolt through as has been discussed, the part could be something as simple as just plain Cold Roll Round as it's only a spacer at that point. I would think steel would still be better than aluminum, but again, nothing special in my mind.
Dan
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Joined: Oct 2015
Posts: 25
Just Getting Started
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Just Getting Started
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After reading JV's post, I'm wondering if perhaps I wasn't deceived by the photos, but I thought the bolt was a specially machined part that included the tapered bolt and the standoff spacer as a one piece unit. Is this correct, or is the standoff simply a spacer, tapered on the outside, with a straight hole so that the bolt simply passes through it? That might make more sense, but still, with a shaft diameter of only 10mm, and at that length, it seems rather small for the job. The discoloration on the bottom of the standoff also raises some question as to whether it was really in full contact with the steering arm.
Bill in FtL
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Joined: Jan 2014
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 Grade 8 Bolt now in place 
JV Sclafani
Boca Raton, FL
'13 M3W Metallic Orange Pearl
128CI Steered by Empire - Riding on Ohlins
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Joined: Apr 2013
Posts: 215
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It is a one piece machined part in steel grade? The steering arm was rust protected after installation of the riser so this could explain the differerence in color.
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Talk Morgan Regular
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Talk Morgan Regular
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The shear and bending loadings on that cantilevered bolt, with quite a long leverage, will still be very high. My view would be that a qualified chassis engineer should look at it and pronounce if he or she thinks it is safe. I am afraid I would not go with that arrangement.
Wilson
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