#31
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new chain, slack
On Saturday, December 23, 2017 at 3:28:39 PM UTC-5, Emanuel Berg wrote:
Frank Krygowski wrote: By pivot, I meant the pin and the plates attached to it. The part that acts as a hinge. The point is, to get wear in the chain, you need pressure on the surfaces in contact, and you need relative motion between those surfaces. OK, but is there a reason why you bring this up in such detail? Yes. I brought it up because you asked. - Frank Krygowski |
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#32
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new chain, slack
On Sat, 23 Dec 2017 20:52:55 -0800 (PST), Frank Krygowski
wrote: On Saturday, December 23, 2017 at 3:28:39 PM UTC-5, Emanuel Berg wrote: Frank Krygowski wrote: By pivot, I meant the pin and the plates attached to it. The part that acts as a hinge. The point is, to get wear in the chain, you need pressure on the surfaces in contact, and you need relative motion between those surfaces. OK, but is there a reason why you bring this up in such detail? Yes. I brought it up because you asked. Well, it is rec.bicycles.TECH after all. |
#33
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new chain, slack
Frank Krygowski wrote:
OK, but is there a reason why you bring this up in such detail? Yes. I brought it up because you asked. OK, thank you in that case. -- underground experts united http://user.it.uu.se/~embe8573 |
#34
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new chain, slack
On 12/24/2017 12:50 PM, Emanuel Berg wrote:
Frank Krygowski wrote: OK, but is there a reason why you bring this up in such detail? Yes. I brought it up because you asked. OK, thank you in that case. Your average guy imagines that the chain wears against the teeth. This is not so. The chain roller doesn't turn or wear against the tooth, chain wear is inside the chain. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#35
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new chain, slack
Not hijacking off course but we'll first believed new chain needs no new cog.
I need review of belief/understanding ect For the solstice Celebration Have I mentioned Uri Geller n I were born on the 20th ? more EQ ? Merry Merry Antone know what a wassail is ? |
#36
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new chain, slack
AMuzi wrote:
Your average guy imagines that the chain wears against the teeth. This is not so. The chain roller doesn't turn or wear against the tooth, chain wear is inside the chain. In that case I'm not average! *fanfare* But I might be incorrect still. Because I "imagine" that chain wear happens from the transition "not pulling" to "pulling" the load! Is this so or is this also not so? PS. BTW I'm out of printing paper so I haven't read the long post you referenced earlier. I run out of paper from making a fire yesterday But I will read it. And I'm not just saying that -- underground experts united http://user.it.uu.se/~embe8573 |
#37
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new chain, slack
On 12/24/2017 6:12 PM, Emanuel Berg wrote:
AMuzi wrote: Your average guy imagines that the chain wears against the teeth. This is not so. The chain roller doesn't turn or wear against the tooth, chain wear is inside the chain. In that case I'm not average! *fanfare* But I might be incorrect still. Because I "imagine" that chain wear happens from the transition "not pulling" to "pulling" the load! Is this so or is this also not so? If there were nothing to bend the links (as when they wrap or unwrap around the sprockets), then applying and releasing tension would cause essentially no wear at all. To get wear you need relative motion between the parts, as well as some contact pressure. -- - Frank Krygowski |
#38
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new chain, slack
Frank Krygowski wrote:
If there were nothing to bend the links (as when they wrap or unwrap around the sprockets), then applying and releasing tension would cause essentially no wear at all. To get wear you need relative motion between the parts, as well as some contact pressure. "Relative motion between the parts", yes of course. What do you mean by "contact pressure"? E.g., if you have a chain attached to a heavy boulder and drag it back and forth, starting and stopping, isn't there wear when the slack chain turns stiff and pulls the boulder into motion, after which load balances out over all the links and the boulder moves forward in part by its own momentum? -- underground experts united http://user.it.uu.se/~embe8573 |
#39
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new chain, slack
?
Wear at the area of greatest pressure... Buildup to there, brings diRT into the area Dirt then finds overflow areas near GP for R/R why is important shaking chain in solution bottle asking questions is not unintelligent |
#40
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new chain, slack
avagadro7 wrote:
Wear at the area of greatest pressure... [...] Dirt then finds overflow areas near GP for R/R [...] asking questions is not unintelligent OK, then what does R/R mean? And where is GP? The links that turn and pull the sprocket as that is smaller than the chainring so more turning? -- underground experts united http://user.it.uu.se/~embe8573 |
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