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2CViking
viking bastard
Joined: April 18th, 2009, 11:43 am
Posts: 2424
Location: Meneac, Bretagne France
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 Centrifugal clutch One for the engineers Every time we receive fresh stock, the clutch coronas diameter changes. Before they had too much meat on the linings, preventing the clutches from working properly. I had them machined a fraction and they worked well. The next lot of coronas are too small in diameter. It looks like that not enough lining has been fitted. I can't find any informations what the gab should be (using feeler gauges) between the drum and the lining, measured on 3 points. The drum diameter is OK
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| January 30th, 2013, 4:01 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: Centrifugal clutch Hej Viking, measurement between outer edges/faces of linings is 219.1mm Inner diameter of clutch drum 219.9mm, so clearance between shoes and drum is 0.4mm Double checked by using a 0.8mm feeler gauge at one spot, with shoe assembly sitting inside drum. Brand new items in Citroen boxes, not relined/refurbished or pattern parts.  I'd guess that you've adjusted the position of the drum on the input shaft... ken
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Last edited by ken on January 30th, 2013, 5:56 pm, edited 1 time in total.
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| January 30th, 2013, 5:12 pm |
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2CViking
viking bastard
Joined: April 18th, 2009, 11:43 am
Posts: 2424
Location: Meneac, Bretagne France
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Re: Centrifugal clutch Thanks mate.
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| January 30th, 2013, 5:36 pm |
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bobh
Firing on two.
Joined: March 26th, 2010, 8:41 pm
Posts: 234
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Re: Centrifugal clutch Interested in 2cViking - when you machine the clutch, how do you stop it 'centrifuging' out of shape ?
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| January 31st, 2013, 6:47 pm |
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2CViking
viking bastard
Joined: April 18th, 2009, 11:43 am
Posts: 2424
Location: Meneac, Bretagne France
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Re: Centrifugal clutch bobh wrote: Interested in 2cViking - when you machine the clutch, how do you stop it 'centrifuging' out of shape ? Low rev lathe.
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| January 31st, 2013, 7:19 pm |
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bobh
Firing on two.
Joined: March 26th, 2010, 8:41 pm
Posts: 234
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Re: Centrifugal clutch Just another thought, If you turn them at low revs, then in use, when they expand under centrifugal force you will loose circularity. Shouldn't you pack them out to final diameter plus a bit, then turn them to final diameter. Or am I being a bit to Nerdy ? Don't answer that one, I think I know the answer.
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| February 1st, 2013, 9:17 pm |
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lpgo
Firing on 1-2 Spark
Joined: November 8th, 2009, 5:42 pm
Posts: 2847
Location: NL
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Re: Centrifugal clutch bobh wrote: I think I know the answer. 
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| February 1st, 2013, 9:48 pm |
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