| Brand | Kontax |
|---|---|
| UPC | 5060188060765 |
Check the listing for details. Nano Gear Stirling Engine. Condition: New. Listed at 153.70 USD. As the air heats up it expands, and as it cools down it contracts. This expansion and contraction drives a small power piston which in turn drives the flywheel. Gamma Engine with gear-driven displacer.
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