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Aug 24th, 2023
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Joined: Apr 2013
Posts: 1,705
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Apr 2013
Posts: 1,705 |
I would be wondering about all the M3W owners who are not members of TM who are driving around with possibly cracked Chassis and are not aware.
Graeme: 2011 +4
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Joined: Mar 2016
Posts: 213
L - Learner Plates On
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L - Learner Plates On
Joined: Mar 2016
Posts: 213 |
Crack repair requires good knowledge of exactly how the stresses are causing the cracks, welding process, and reinforcement needed to strengthen the cracked member/joint. Yes, if not properly addressed, the crack will return, usually along side the weld. One must consider the direction of the principle stress, stress risers, joint prep for welding, heat affected zone, and fatigue stress, to name a few. I think in our case, it can be done, with a really good TIG weld operator, and proper reinforcement of the tube. I know if it happens to mine, with the nearest dealer 450 miles away, I will be dusting off my engineering texts, and practicing my TIG skills. Keeping the suspension pickup points in the correct location during welding could be tricky as well. Yikes!
Inge
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Joined: Nov 2013
Posts: 582
Talk Morgan Regular
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Talk Morgan Regular
Joined: Nov 2013
Posts: 582 |
thanks inge.I'm not a TIG welder. While I wait for this information from you mention from Morgan and my dealer I am sending my Dealer your Blog, hope you don't mind
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Joined: Mar 2016
Posts: 213
L - Learner Plates On
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L - Learner Plates On
Joined: Mar 2016
Posts: 213 |
I don't mind at all, in fact I would love to have a conversation with a Morgan chassis engineer sometime. Even with computer finite element analysis, the real world is quite harsh and unforgiving.
Inge
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Joined: Jul 2015
Posts: 2,539
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jul 2015
Posts: 2,539 |
Inge can we have a blog link?
kirkusblog.com
2016 M3W John A Prestwich Special
1952 Ford 8N
1968 Honda CL175,and 2018 Ural Retro
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Joined: Mar 2016
Posts: 213
L - Learner Plates On
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L - Learner Plates On
Joined: Mar 2016
Posts: 213 |
I have no blog, only what I post on TM.
Inge
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Joined: Nov 2013
Posts: 1,944
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Nov 2013
Posts: 1,944 |
Thank goodness for this forum & Matty. I'm joining the queue having just found my Chassis cracked just to rear of L/H top wishbone mounting by the welded in fillet. I had not noticed anything amiss but fortunately this thread prompted me to check. I had done 70mph in it this morning.
Phoned the dealer & they said get it to us. AA will collect it & take it to Perth. They wont say any more until they have inspected it. Sure hope MMC are picking up the bill as they should for such a fault. I reckon I'll have the centa compensator at the same time, & perhaps have the clutch checked. My car is July 2013 build with 9447 miles.
It will be third time its been transported to Perth & I hope its not laid up for weeks.
Tim
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Joined: Feb 2012
Posts: 5,653 Likes: 4
Charter Member
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Charter Member
Joined: Feb 2012
Posts: 5,653 Likes: 4 |
For those owners who are not aware of this this site/problem, I fear a nasty accident happing.
Martin (Deano)
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Joined: Apr 2013
Posts: 1,213
Has a lot to Say!
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OP
Has a lot to Say!
Joined: Apr 2013
Posts: 1,213 |
Sorry to hear you've found this too Tim , just wondering if you have the bracing upgrade fitted ?
Hugh
Hugh
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Joined: Oct 2013
Posts: 1,642
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Oct 2013
Posts: 1,642 |
There is no report of a 2014-build (or later) car with chassis cracks so far, or is there?
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