On Mon, Feb 14, 2011 at 11:53 AM, Olin Lathrop wrote: > David VanHorn wrote: >> Do you NEED to know 1999 vs 20000 rpm? > > A factor of 10? =A0Yeah, I need to know that. I suppose you didn't see the correction I posted seconds later. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .