nitram38
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| posted on 9/3/07 at 01:42 PM |
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R1 chain, which one?
I am using the R1 rear engined with a siera lsd chain drive diff.
The sprocket is a 52 tooth jobby.
I want to keep the diff very close to the engine.
I didn't get a chain with my engine so I have nothing to try, but before I spend money on probably the wrong length, have any of you guys got
photos of a similar set up and how many links has your chain got?
I am hoping to get an off the shelf chain to fit, because I don't want to mess about with link removal tools etc.
Cheers Martin
[Edited on 9/3/2007 by nitram38]
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Coose
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| posted on 9/3/07 at 02:02 PM |
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You can remove links using a grinder if you're careful. Just grind off the rivet heads of the link that you want to remove and gently drift the
pins out. Don't get carried away with the grinder as you'll overheat the lube in the rollers though....
Have a look
here,
here or
here.
Each link is 1/2" from pin to pin. Good manufacturers are RK, DID, Tsubaki and Renthal amongst others.
Hope this helps! 
[Edited on 9/3/07 by Coose]
Spin 'er off Well...
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joolsmi16
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| posted on 9/3/07 at 02:07 PM |
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chain diff
This may be of help.
 
Rescued attachment IMG_5081.jpg
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nitram38
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| posted on 9/3/07 at 02:12 PM |
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That only looks about 70 links.
I need to squeeze in a reverse starter on the gearbox cog, so I am thinking that a 108 link chain might be good.
Cheers Guys
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G.Man
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| posted on 9/3/07 at 02:24 PM |
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You should bite the bullet and get a link removal tool, you will have to rivet the new chain anyway, so why worry about link removal?
Opinions are like backsides..
Everyone has one, nobody wants to hear it and only other peoples stink!
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nitram38
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| posted on 9/3/07 at 02:33 PM |
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quote:
Originally posted by G.Man
You should bite the bullet and get a link removal tool, you will have to rivet the new chain anyway, so why worry about link removal?
If I get a set length chain then I will not have to remove any links?
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Minicooper
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| posted on 9/3/07 at 04:29 PM |
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Hello,
If you want the engine fairly close to the diff a standard chain will be too long basically the same as a bike
Tsubaki Sigma 530 is an excellent chain, as far as I'm aware it's the strongest 530 available being stronger than most 630
They come split and you rivet the chain anyway
Cheers
David
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G.Man
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| posted on 9/3/07 at 04:31 PM |
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Or you could just ask for the right length chain, and the shop will make you one to size
BUT
You will still have to rivet a section, and chain splitting isnt anywhere NEAR as onorous as riveting...
In fact its a doddle
Opinions are like backsides..
Everyone has one, nobody wants to hear it and only other peoples stink!
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daviep
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| posted on 9/3/07 at 04:32 PM |
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I used to mechanic a global light race car which used 600cc Yamaha Thunder cat engine mounted very much like yours.
We found that we got through chains much faster than a bike would, Having to split the rear axle everytime we changed a chain would have been a
complete PITA. Much quicker just to split the chain and re-rivet
The most cost effective option for us was to buy the longest standard bike chain and make 2 chains out of it.
Regards Davie
[Edited on 9/3/07 by daviep]
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G.Man
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| posted on 9/3/07 at 04:40 PM |
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quote:
Originally posted by nitram38
That only looks about 70 links.
I need to squeeze in a reverse starter on the gearbox cog, so I am thinking that a 108 link chain might be good.
Cheers Guys
Thats a 56 link chain..
Opinions are like backsides..
Everyone has one, nobody wants to hear it and only other peoples stink!
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G.Man
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| posted on 9/3/07 at 04:41 PM |
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quote:
Originally posted by daviep
I used to mechanic a global light race car which used 600cc Yamaha Thunder cat engine mounted very much like yours.
We found that we got through chains much faster than a bike would, Having to split the rear axle everytime we changed a chain would have been a
complete PITA. Much quicker just to split the chain and re-rivet
The most cost effective option for us was to buy the longest standard bike chain and make 2 chains out of it.
Regards Davie
[Edited on 9/3/07 by daviep]
Indeed, as usually, there is no difference in price with more links...
Bizarre!
Opinions are like backsides..
Everyone has one, nobody wants to hear it and only other peoples stink!
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nitram38
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| posted on 9/3/07 at 05:15 PM |
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Chris, the standard chain is 116 links (according to the manual).
I still have to factor in a starter motor reverse.
I bought a kit from lynx ae. It consists of a small starter motor (high torque geared version) and a cog that replaces the nut on the output
sprocket.
The starter is a solenoid type so only engages when driven.
I need a longer chain to allow space for the starter.
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G.Man
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| posted on 9/3/07 at 07:45 PM |
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quote:
Originally posted by chris mason
mines started out as a 108 link chain, but has been made to suit the car, it has ended up at 95 links, it's all fitted up other than riveting
the ends over, Chris
Dont understand this bit, as all the normal links are riveted in one shape or form...
Admittedly they are done by a machine, so I am guessing the chain is machine riveted single loop?
A rivet link should be 100% as strong as a stock link... clip links are MUCH weaker, like 40% odd...
We used to use the Regina chain riveter in the superbike team, used to replace chains after every race meeting (joy of sponsorship from DID)..
http://www.reginachain.it/eng/use_and_maintenance/how_to01.shtml
805184 Professional tool for 1/2" chain riveting
805185 Professional tool for 5/8" chain riveting
805186 Professional tool for 3/4" chain riveting
[Edited on 9/3/07 by G.Man]
Opinions are like backsides..
Everyone has one, nobody wants to hear it and only other peoples stink!
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nitram38
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| posted on 9/3/07 at 08:06 PM |
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Chris just bought a reasonable priced rivetter and splitter on
ebay
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