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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: Speed would be proportional to voltage on a DC motor... posted by Scottrt on May 9, 2007 at 00:37:45:
Speed is inversely proportional to the voltage for a DC motor. So it would run faster at a lower voltage, slower at a higher voltage.The biggest problem would be if the voltage goes to zero. I used to be able to demonstrate that effect on my old Kenwood TT. The 33/45 switch had a disconnect if you held the button 1/2 way down. The platter speed would accelerate for a long time.
I remember an AC/DC machines lab in college. The professor warned us we would get an automatic F if we ever connected the armature voltage before the field voltage to a DC motor. Theoretically, the speed would go to infinity.
Jeff TOJI like it. I like it a lot.
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Follow Ups
- To be picky... - Jeff TOJ 09:10:29 05/09/07 (1)
- NOT, these are fixed-magnet motors (nt) - Werner 23:09:39 05/09/07 (0)
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