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jonkman sterling 60 in operation 614x460 Free Download:  Gamma Stirling Engine Plansjonkman sterling 60 sample plans page Free Download:  Gamma Stirling Engine Plans

skill builder metal Free Download:  Gamma Stirling Engine PlansRob over at has been in contact with Dutchman Jeroen Jonkman, who has generously agreed to make the plans for his Stirling ’60’ gamma-configuration Stirling-cycle engine freely available for download there. [Thanks, Rob!]


Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.

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