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Uploaded on May 11, 2009
This is a Fluidyne engine made from acrylic to a design from the book Liquid Piston Stirling Engines by C D West. The displacer cold column is on the right, the hot column in the centre and the tuning column is on the left. The heat source is a 33 ohm resistor driven from a 15 volt power pack so the power input is about 6.8 Watts. The working fluid is water with a little ink in it to make it more visible. In a bigger engine, the varying head in the tuning column can be used to drive a pump or perform other useful work. Morris Dovey in the United States is working on a full sized, solar powered pump for use in third world countries. You can see his project on http://www.iedu.com/DeSoto/Projects/S...