Description
STEM High-Speed Stirling Engine Windmill Fan Propeller External Combustion Engine
Length, width, and height: 17x12x22cm
Body material: 6061 aluminum alloy
Base material: solid black walnut
Net weight: 700g
Heating cylinder material: 304 stainless steel
Heating cylinder outer diameter mm: 14
Flywheel diameter mm: 45
Fuel: butane gas
A perfect gift for a close friend, and for everyone you love, is also suitable for a Christmas / birthday gift.
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