Thumper Club Forum
Club House => Chatter => Topic started by: guest7 on April 11, 2008, 10:02:05 AM
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Are any of you au fait with the 2CV?
I wanted to know what the arrangement is on the rear hub, is it bolted onto a stub axle with a taper roller bearing? Also, what diameter is the stub axle?
Cheers
GC
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Are you going to tell us why you need to know? Is the work outfit getting a Gallic spring in it's step?
Andy
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By the look of this its a single sealed bearing. As the locknut has no splitpin holes it looks like its not taper roller.
http://cgi.ebay.co.uk/CITROEN-2CV-ALL-MODELS-REAR-WHEEL-BEARING_W0QQitemZ160165657629QQihZ006QQcategoryZ10376QQrdZ1QQssPageNameZWD1VQQ_trksidZp1638.m118.l1247QQcmdZViewItemKen
Ken
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Detailed answer emailed (courtesy of a friend who races them :o )
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...(courtesy of a friend who races them :o )
HE DOES WHAT?! :o
Cheers for the reply Smudge. One bit foxed me (but it is late and I'm tired):
"the brake system uses LHM so wouldn't be compatible with a normal brake system"
Er... LHM?
I did like his sardonic PPS: "the brake shoe adjusters will be seized, too."
Cheers
GC
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http://www.2cvracing.co.uk/news/1-latest/17-2008-gearing-up
For a while he was using his race 2cv on the road as well ;D I believe it causes great confusion amongst the hot hatch teenies :D all the more so because he can *really* drive it!
I've mailed him your thanks and query.
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Are you going to tell us why you need to know? Is the work outfit getting a Gallic spring in it's step?
Andy
The thought process went along these lines:
"I am building a new work outfit and it will have a 15" rear wheel, it would be nice to have at least one other wheel in that size so one spare tyre would fit both. I have a 2cv wheel here and that's 15", also (after looking at photos) the brake drum and hub on a 2CV looks small and light enough to use on the chair to give me a sidecar brake. Will a 2CV hub fit on a Squire stub axle?"
Why worry about spare tyres and the like? Simple really, if I'm on a trip and I knacker the 15" tyre, what are the realistic chances of me getting one easily? So, on long trips, I can carry a spare in that size. For the same reason I carry a spare 10" tube for the current sidecar wheel, because that's not a common size anymore.
I really should get out more ;)
GC
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Here's the gen on LHM:
"Mineral Based Brake Fluids.(LHM Fluids)
A few vehicles, including Citroen and Rolls Royce, use a mineral or petroleum based central hydraulic system, which also powers the brakes. To do this the brake system is fitted with special rubber components that are compatible with petroleum products. LHM is NOT compatible with conventional brake systems, nor are conventional Brake Fluids compatible with systems requiring mineral oil. Failure to use the correct fluid may result in total brake failure."
So now we're down the route of saying "Does the 2CV have an LHM-compatible master cylinder that can be used with a foot brake on my outfit"
As usual, it's getting way more involved than it should ::)
GC
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2CV dont have Hydraulic suspension.
They are Torsion bar.
So I expect they use DOT 4 brake fluid.
Jethro
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2CV dont have Hydraulic suspension.
They are Torsion bar.
So I expect they use DOT 4 brake fluid.
Jethro
yup, Derek said they use torsion bar, but if he says they use LHM then I believe him, it's his speciality! Mind you, there's a good chance of muppets filling them up with conventional brake fluid and then wondering why the seals all fail...
Anyway, this is a brakes question, where's Andy? ;) ;D
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Anyway, this is a brakes question, where's Andy? ;) ;D
[/quote]
Out sniffing the 'grass' or was that cowpat scented air wafting over the Sarf from Dutch bovine digestive tracts, or 'skunk' factories in Amsterdam! :o
Scurilous, but true! ;D
Yours, Snoz
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The 2CV keeps some illustrious company, apparently the only other manufacturers to routinely use LHM for their brakes are Jaguar and Rolls Royce.
I was talking to some car mechanics about it yesterday lunchtime and they described LHM as "nasty slimey crap" ::)
GC
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You have another email... 2cv's *don't* use torsion bar suspension! That wouldn't be nearly weird enough.... ::) ;D
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I thought 2CVs had a pair of springs mounted halfway along the chassis (one each side) activated by tie bars. I'm only going by the photos I've seen, I've not had a poke at one.
GC
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I have had various 2cv's over the past 18 years. Can't claim to be an expert, but the 'modern' front disc brake ones do use LHM. I'm not sure about the older drum brake versions. The rear drums on both are the same.
In general the front brakes worked really well, they were overengineered, designed to stop the GSA with a 1300cc engine as opposed to the 2Cvs 602cc. The rear brakes on the other hand hardly worked at all. I think the front took all the force. On the car its quite difficult to get them apart. Simple parts which seemed to sieze easily, you need to hold the drum still while undoing a big nut 32mm If I remember correctly.
I guess you could get the whole swingarm assembly and weld that under your chair ! The lomax is a 2cv based 3 wheeler. It can use the same chassis, the rear swingarm is modified so it can hold the rear wheel centrally.
I am biased but all petrol cars should be 2cvs. 60mpg is normal, the emissions are actually lower than from supposed modern cars with catalytic converters. The engine is a flat twin that just goes on and on. Its the nearest you can get to a bike in a car. Though with the standard motor top speed is generally legal.