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Greetings, I am starting a project using a 2 cylinder V air compressor and try to convert it to Alpha Stirling. I found some links were small projects created there own pistons using high temp epoxy. Using their idea, I am going to try to replace the piston rings with high temp epoxy and add a dry lubricant between the high temp epoxy rings Hopefully this will give a good seal and reduce friction. Has anyone tried this before? Best regards

Wow, what a great idea. I think this will work for engines that run at relatively low temperatures (200-300 Fahrenheit). Let me know if it works out.