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In Reply to: Why? (nt) posted by mosin on April 15, 2007 at 19:03:48:
John is right, the skating force is proportional to the stylus friction which follows the Coulomb / Amonton law; it is proportional to the downforce and independent of velocity.If the vinyl liquefied at the interface the friction would become viscous loss which is velocity dependent and it would need to be increased for 45.
Mark Kelly
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Follow Ups
- Which proves that the stylus does not melt the vinyl - Mark Kelly 19:13:11 04/15/07 (13)
- Re: Which proves that the stylus does not melt the vinyl - M.Stojek 06:23:09 04/16/07 (9)
- Re: Which proves that the stylus does not melt the vinyl - John Elison 09:26:16 04/16/07 (8)
- Thanks John, nt - M.Stojek 05:43:28 04/17/07 (1)
- You're welcome! (nt) - John Elison 07:06:10 04/17/07 (0)
- Re: Which proves that the stylus does not melt the vinyl - Helge Gundersen 13:00:33 04/16/07 (5)
- Re: Which proves that the stylus does not melt the vinyl - John Elison 15:47:20 04/17/07 (0)
- Actually an argum,ent for using less skating force with 45s - Mark Kelly 14:40:14 04/16/07 (2)
- Re: Actually an argum,ent for using less skating force with 45s - Helge Gundersen 23:55:10 04/16/07 (0)
- You have a valid point... - John Elison 19:26:13 04/16/07 (0)
- I'm sure you are correct, Helge. My analysis is based on an unmodulated groove or a blank vinyl surface. (nt) - John Elison 13:24:38 04/16/07 (0)
- Thank you (NT) - InDaGroove 21:39:22 04/15/07 (0)
- Re: Which proves that the stylus does not melt the vinyl - mosin 19:23:06 04/15/07 (0)
- Execllent! ;-) (nt) - John Elison 19:18:21 04/15/07 (0)