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| Stirling project #2 with upgraded parts | |
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| The outer displacer cylinder is a bean can. The inner displacer piston is a chopped down PVC glue can. I had to use cans that could be soldered. Everything must be sealed air tight to work properly. | Here is the displacer cylinder after the lid was soldered on. |
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| New aluminum parts made on the CNC machine | New beam pivot bracket |
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Upgraded with new aluminum parts I added a coiled copper tubing water cooler. The tubes go to a very small pond pump sitting in a bucket of water. |
This is a 320x240 windows media file
movie. If you want to see a 640 x 480 version, click the link below http://www.el34world.com/Misc/Stirling/Movies/Stirling2.wmv |
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The power piston cylinder is a aluminum
tube that was cut off a Mountain bike front fork steering tube. The power piston inside the cylinder is a copper plumbing end cap used to cap off the end of a copper pipe. The displacer stoke is about 1.5", the power piston stoke is about 1.25" |
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To do list:
Cooling experiment #2: Get rid of tin cans and make a nicer displacer cylinder with a solid hot cap on the bottom and upper half that has cooling fins. Cool the fins with a flywheel that is machined into a fan blade shape. |
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