Stirling Engine PE2
by dougconner, published
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i'm printing one right now, but it feels so light. what's the infill ? and is it different for each part ?
Saw one of these in operation over an incadescent lamp at the Inside 3D Printing Conference in San Jose last week.
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The zip file contains all 11 3D printed parts for the engine.
PDFs provide assembly drawings and parts drawings. A discussion of building these parts is available at solarheatengines.com/2012/11/21/3d-printed-stirling-engine-now-open-source/
An assembly and BOM PDF is now available. More assembly details are available at solarheatengines.com/2012/11/27/3d-printed-engine-bom-and-assembly-instructions/
I've posted an article on building the regenerator for the PE2 engine. If you build the engine you want to be sure to build one for good performance. I've included information for those wanting to learn more about Stirling engine regenerators too. solarheatengines.com/2012/12/18/a-regenerator-for-the-3d-printed-pe-2-stirling-engine/
I've posted an article on alternate designs for the power piston and the displacer. These new designs will not affect the engine performance, but may be simpler to build. The STL files are available in piston insert 3.zip and displacer3.zip. The article is at: solarheatengines.com/2012/12/31/new-power-piston-and-displacer-for-3d-printed-stirling-engine/
To build this engine you need a drill press to accurately drill out the rough 3D printed holes and for drilling the aluminum plates. Some simple lathe work is necessary to machine the power piston to fit in the brass tube.
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