-------------------------------------------------- From: "Carl Denk" Sent: Friday, July 09, 2010 1:28 PM To: "Microcontroller discussion list - Public." Subject: Re: [TECH]:: Archimedes Screw - wide range of modern uses > Not, the ones I worked with (5 foot diameter, turning maybe a little > faster than 1 revolution per second), but there is significant leakage > between the screw and the tube. The working clearances for machinery > that big, and without getting into costly tight tolerances are loose, > maybe 1/2" or more between the screw and tube. > > On 7/9/2010 7:55 AM, Sean Breheny wrote: >> Isn't the screw, when stopped, a continuous inclined plane so that >> water poured in at one end would just run "downhill" around the turns >> of the screw and out the other end? I did look at the photos and >> that's what it appeared to me. I think it would if the screw were vertical. When it is angled, the "incline" is no longer "downhill", so it's like a line of "cups" in series moving from one end to the other (the screw is less than half full). -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist