Re: How to go faster?

Posted by Rod (NH) on June 21, 2003 at 20:28:50 from (12.148.160.138):

In Reply to: How to go faster? posted by Scott Nelson on June 21, 2003 at 19:24:37:

Hi Scott,

I'd be cautious about swapping the pulleys around. You might overdo it that way. The ratio of shaft speeds for pulley drives is the same as the inverse ratio of the pulley diameters. For instance, if the drive pulley is two inches in diameter and the driven pulley is six inches in diameter, the speed of the driven shaft is 1/3 that of the driving shaft. Simply swapping the pulleys in such an arrangement would make the driven shaft turn three times the driving shaft for a whopping 900% increase! (assuming you don't stall the motor in the process). I don't know the relative values involved but I would approach it by thinking about either a little larger drive pulley or a little smaller driven pulley. In either case, a different belt would be required.

Good luck, and if you damage anything don't call me or Sears :o).

Rod

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