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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: Belt Creep. posted by Mark Kelly on February 2, 2006 at 20:25:57:
Its been a long time since I studied mechanics, but I can't see any accounting for the interia of the driven pulley (platter) in these calculations - so they do not reflect the real world, even in power transmission applications where there is generally a considerable amount of rotating mass which steadies things.
The inertia of the platter acts as a dampener of the belt creep phenomenon. Platter inertia will ensure that when momentary drag increases, the platter will plough on with negligable speed variation. This reduces the belt stretch and the belt creep.
I suppose one could work out % energy of 0.5mNm v/s say a 5kg platter at 33 1./3 rpm. I reckon it would be pretty microscopic.That said, it sure shows why belt drive with light weight platters might not be a good idea.
Cheers,
John K
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Follow Ups
- Re: Belt Creep. - JDK 02/2/0622:37:51 02/2/06 (1)
- That's not correct. - Mark Kelly 04:21:04 02/3/06 (0)
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