Balance Stirling Engine Model External Combustion Engine With Random Free Gift

Description: Item: Balance Stirling Engine Size: 155*80*130mm Weight: Approx.800g Flywheel: 60mm(Diameter) Driving Wheel: 25mm(Diameter) Power cylinder bore: 13mm Piston stroke: 15mm Material: aluminum alloy Linkage: stainless steel Age: +8 Stirling engines are unique heat engines because of their theoretical efficiency is almost equal to the theoretical maximum efficiency, Called the Carnot cycle efficiency. The Stirling engine is heated by gas expansion, cold contraction generate power. Package Included: 1 Balance Stirling Engine