my shock absorber just fell of...
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Roy Eastwood
Firing on two.
Joined: February 4th, 2009, 2:52 pm
Posts: 268
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 Re: my shock absorber just fell of... The point of asking a technical question on a forum is either to hear the sound of one's own voice (you'll post the same question on more than one forum if this is you) or to get lots of different replies to the problem, some right, some wrong (I think that's the real point!), if one wants just a correct answer with no back & forth chat then a p.m. to a technical guru will get a quick accurate answer with no chance of non technical and subjective input - but then the forum might be a bit less amusing! On the subject of negative comments about suppliers or products - such discussion is banned on 2CVGB forum, self moderation is surely one of the attractions of this place? Joe Ahvee wrote: Paul Narramore wrote: I don't know if the Moderator wants this thread to drift into the subject of just how good or bad the 2CVCity chassis is but I presume that provided people mention facts as opposed to hearsay or rumour, there's no harm in it.
When I rechassised my 2CV I took advice from all sorts of people then went to actually see the chassis before making my own mind up. From inspecting the chassis it looked well made and easily strong enough compared to the dreadfully rusted mess of the original chassis, like 1000% better. The car went on the road in March this year and so far she's done nearly 3000 miles. The lost shock absorber bolt has been the only slight problem so far and that was easily rectified by fitting a replacement and doing it up more tightly than before. Other than that the new chassis does everything it's supposed to do and so far I'm happy with it. Well said. I would take a broken shock absorber bolt over a collapsing chassis any day. 
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| July 9th, 2010, 8:06 pm |
 
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toomany2cvs
Firing on two.
Joined: December 26th, 2008, 9:40 pm
Posts: 3332
Location: Surrounded by 2cvs...
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Re: my shock absorber just fell of... Roy Eastwood wrote: if one wants just a correct answer with no back & forth chat then a p.m. to a technical guru will get a quick accurate answer All depends which technical "guru" you ask, I s'pose...
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http://WhereverTheRoadGoes.com
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| July 9th, 2010, 8:08 pm |
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Paul Narramore
Firing on two.
Joined: November 16th, 2009, 10:14 am
Posts: 211
Location: Aylesford, Kent
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Re: my shock absorber just fell of... There is no doubt that the original Citroen method of a double ended stud is far superior to a simple bolt. In an ideal situation a simple bolt should be supported at both ends to negate any chance of shear forces shearing the thing. The 2CVCity chassis was built this way to presumably save money and it works - to a degree. Read the excellent tomes 'Engineer to Win' and 'Prepare to Win' by the race car designer Carroll Smith will open your eyes as to the engineering solution to certain stresses and strains when designing racing cars. He often berates other race car designers for failing to properly support suspension bolts.
Back to the 2CVCity chassis, for me it works, so far, but I shall keep an eye on things and if the same fault reoccurrs, I will make modifications. As a whole, the chassis (for me) is excellent.
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| July 9th, 2010, 10:47 pm |
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ken
Agony Aunt - You have a car problem? Speak to Ken
Joined: March 6th, 2009, 1:40 am
Posts: 3675
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Re: my shock absorber just fell of... Different car, but a similar problem, which MG considered serious enough to issue a recall on those vehicles which were affected... < http://google.mg-rover.org/showthread.php?p=2586528 > Note that owners were advised that any damper bolts which had worked loose needed to be replaced as their shear strength may already have been compromised. ken
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| July 9th, 2010, 11:41 pm |
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toomany2cvs
Firing on two.
Joined: December 26th, 2008, 9:40 pm
Posts: 3332
Location: Surrounded by 2cvs...
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Re: my shock absorber just fell of... Paul Narramore wrote: There is no doubt that the original Citroen method of a double ended stud is far superior to a simple bolt.
The 2CVCity chassis was built this way to presumably save money OK, but... Given that the original design requires solely a threaded boss welding to the chassis - and that the City design requires... a threaded boss welding to the chassis... Exactly how much money is saved?
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Zookeeper of a miscellany of motorised silliness - from 0.75bhp to 9ft tall - now living life on the road in an old VW.
http://WhereverTheRoadGoes.com
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| July 10th, 2010, 12:14 am |
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ken
Agony Aunt - You have a car problem? Speak to Ken
Joined: March 6th, 2009, 1:40 am
Posts: 3675
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Re: my shock absorber just fell of... Hi Adrian, it's not just a threaded boss on an original chassis, as there's also some 'devil in the detail' involved, none of which is anything to do with M & S...  ken. ( p.s. hard to believe that it's exactly a week since the first 'session' at Registers' w/e. Wonder where the intervening 7 days went?  ) toomany2cvs wrote: Paul Narramore wrote: There is no doubt that the original Citroen method of a double ended stud is far superior to a simple bolt.
The 2CVCity chassis was built this way to presumably save money OK, but... Given that the original design requires solely a threaded boss welding to the chassis - and that the City design requires... a threaded boss welding to the chassis... Exactly how much money is saved?
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Last edited by ken on July 10th, 2010, 12:47 am, edited 1 time in total.
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| July 10th, 2010, 12:24 am |
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toomany2cvs
Firing on two.
Joined: December 26th, 2008, 9:40 pm
Posts: 3332
Location: Surrounded by 2cvs...
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Re: my shock absorber just fell of... ken wrote: it's not just a threaded boss on an original chassis, as there's also some 'devil in the detail' involved, none of which is anything to do with M & S... <waits for slightly more detail...> Quote: ( p.s. hard to believe that it's exactly a week since the first 'session' at Registers' w/e. Wonder where the intervening 7 days went? ) And yet it seems like AGES ago...
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Zookeeper of a miscellany of motorised silliness - from 0.75bhp to 9ft tall - now living life on the road in an old VW.
http://WhereverTheRoadGoes.com
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| July 10th, 2010, 12:28 am |
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ken
Agony Aunt - You have a car problem? Speak to Ken
Joined: March 6th, 2009, 1:40 am
Posts: 3675
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Re: my shock absorber just fell of... Adrian, the relevant keywords are 'commercially' & 'sensitive', iirc... ken ( off to the pub to wipe the memory banks.) toomany2cvs wrote:
<waits for slightly more detail...>
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| July 10th, 2010, 12:47 am |
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Neil
super slot
Joined: November 28th, 2008, 11:14 pm
Posts: 8797
Location: Cornwall, UK
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Re: my shock absorber just fell of... ken wrote: ken
( off to the pub to wipe the memory banks.)
I've said it before & i'll say it again; i'd love to have a local that i can pop to at ten to midnight & still get a pint... 
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| July 10th, 2010, 12:51 am |
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twofifty AZU
Firing on two.
Joined: May 16th, 2010, 5:04 pm
Posts: 835
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Re: my shock absorber just fell of... I fail to see the point of buying someting that is sort of OK when the price difference between the best and the worst is less than £200. The hassle factor is worth more than that.
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| July 10th, 2010, 12:58 am |
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