bumping and grinding against my rim
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oolong
2CV Fan
Joined: August 1st, 2009, 4:44 pm
Posts: 85
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 Re: bumping and grinding against my rim With one tenth of a millimetre (for the sake of discussion) between hub and wheel, there should be no noise or contact on the straight where the wheel isn't subjected to a side load. The slightest bending under load will cause a 0.1mm (or less) gap to vanish, causing the noise from contact. All stressed parts in a car distort under stress, 2CV wheels are not alone! As usual Ken is right. Eventually the spot welds between rim and nave will weaken with wheel breakage the final result.
Weren't older rims riveted as well as welded?
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| March 27th, 2010, 2:39 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: bumping and grinding against my rim Hi oolong, nope, earlier rims were rivetted to their centres, then that method of construction was switched to spot welding. Oddly enough, the earlier type didn't seem as prone to blowing their seams apart... Titanic or Liberty ship, m'dear?  ken ( almost mentioned gussets, but what with that earlier thread where things were bumping and grinding, the forum might attract the wrong visitors...)  oolong wrote:
Weren't older rims riveted as well as welded?
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| March 27th, 2010, 3:11 am |
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Sean
Firing on two.
Joined: April 22nd, 2009, 11:06 pm
Posts: 3684
Location: Ecosse
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Re: bumping and grinding against my rim bobh wrote: I have a 1963 french built Fourgonnette. I did a complete rebuild, new chassis etc etc. Found a set of 'not rusty' wheels on e-bay. Yep, these rubbed on the track rod ends, so to get it through the Controle Technique, I put a couple of washers between hubs and wheels. Passed the test OK, but when I got back home, I found that the wheels were not sitting on the wheel studs correctly (Ie the wheels were not running true). Studs are undercut a little where the thread stops and the serrated boss starts.
Soloution, I sawed off 1/8 inch off the end of the track rods, and re-drilled the split pin hole then removed the washers.
It has to be said that the car is a 'bitsa' ie bits of this and bits of that, and was rescued after an end of life of a number of years delivering fodder for a couple of horses over a daily cross country treck of 2km. Isn't that what it was designed for ? Bobh can you do photos? that sounds like there is something far wrong with your set up did you do the KP remembering that the thrust washer stack goes on the bottom joint not the top Sean
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| March 27th, 2010, 12:22 pm |
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oolong
2CV Fan
Joined: August 1st, 2009, 4:44 pm
Posts: 85
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Re: bumping and grinding against my rim ken wrote: Hi oolong, nope, earlier rims were rivetted to their centres, then that method of construction was switched to spot welding. Oddly enough, the earlier type didn't seem as prone to blowing their seams apart... Titanic or Liberty ship, m'dear? ken oolong wrote:
Weren't older rims riveted as well as welded?
Ah, yes. Better steel I s'pose back then. A decent set of old rims can improve the feel through the steering and no doubt marginally improve cornering if they distort less. Same as for a set of good old arms, just a bit less noticeable.
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| March 27th, 2010, 8:33 pm |
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Russell
Firing on two.
Joined: November 29th, 2008, 10:05 pm
Posts: 9259
Location: West Sussex, U.K.
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Re: bumping and grinding against my rim I heart 60s wheels. They look the best.
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| March 27th, 2010, 8:37 pm |
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