Bala.Chandar@sanofi-aventis.com wrote : > With an air core transformer, my propeller clock works > nicely (gif file attached).... Hi. You don't happen to have a image of the clock standing still. So one can get an idea of the overall mechanical design. It was a bit hard from the "live" image... :-) Best Regards, Jan-Erik -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist