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Hi guys I knew there were other potential mixes, but I wasn't sure what would survive the heat and thrust when constructing the piston. Never thought of cement as a solution. But now you mention it I've seen boats made of cement so why not pistons. I'll look into that Tom and let you know how it wor...

Hi, First Post. I wanted to build a Gamma Sterling Engine but wanted to keep the cost of parts to a minimum. Not because I'm tight, but the cost of living is getting out of hand. I've got most of the parts to start, but I've been looking around for a piston alternative to the one in the videos I saw...