Forgot to mention, I think I first saw the air core idea used by Don Zehderer I googled for it and it shows up here http://www.luberth.com/LED_propeller_clock_the_first_analog_vesion/don_zehnder/trans.jpg -----Original Message----- From: "Jay Shroff" To: piclist@mit.edu Date: Tue, 01 Feb 2005 09:07:55 -0500 Subject: Re: RE: [PIC] Propeller clock motor Check out http://www.geocities.com/tjacodesign/propclock/propclock.html I did a similar thing, but since I could not find a suitable PVC pipe I just made a former out of a laser transparency and wound the coil on it. -----Original Message----- From: Jan-Erik Soderholm To: piclist@mit.edu Date: Tue, 1 Feb 2005 14:31:04 +0100 (MET) Subject: RE: [PIC] Propeller clock motor 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 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist