Author Topic: Old rings New Rings  (Read 709 times)

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Offline Cut4fun .

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Old rings New Rings
« on: March 18, 2012, 06:04:08 pm »
Just to show the newer guys the difference. You can see the wear and feel the psi difference pulling over.

372 50mm rings pulled from a running saw just getting low on compression 120psi, still ran and started good. Checked cold

Then new Caber 50mm rings with about 30 seconds of run in , idling and blips. Checked warm 140psi

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Offline rms61moparman

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Re: Old rings New Rings
« Reply #1 on: March 18, 2012, 08:03:50 pm »

Amazing that something so small and so simple can have so much effect on the way one runs.
Did you measure the width and see what the difference was?
I'll bet it would be really hard to tell without measuring ring end gap.


Mike

Offline ms460woodchuck

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Re: Old rings New Rings
« Reply #2 on: March 18, 2012, 08:31:19 pm »
 Rings just might be the most important pcs of metal in a saw that people over look just because there is no scoring hiding behind the muffler.
 
 Nice picture cut4fun!

Offline Al Smith

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Re: Old rings New Rings
« Reply #3 on: March 19, 2012, 05:10:40 am »
If you get a jewels loupe and look at the rings you'll see the old rings have the edges worn round .

Offline rms61moparman

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Re: Old rings New Rings
« Reply #4 on: March 20, 2012, 08:53:02 pm »

Well nevermind what I said about being hard to tell!!!LOL

I enlarged the photo a bit and Ray Charles could tell the difference in those!!!

Man, I've never seen rings that worn before!


Mike

Offline Cut4fun .

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Re: Old rings New Rings
« Reply #5 on: March 20, 2012, 09:04:51 pm »

Well nevermind what I said about being hard to tell!!!LOL

I enlarged the photo a bit and Ray Charles could tell the difference in those!!!

Man, I've never seen rings that worn before!


Mike

Yeah I was wondering when you ask if I checked end gaps.  When half the ring was missing.  :P
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