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  • Sale! Air Stirling Educational Cup Model Motor Toy

    Air Stirling Educational Cup Model Motor Toy

    Price range: $65.00 through $78.00

    A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work. Teachers can make the explaining process much more straightforward and students can better understand its principle.Run freely…

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