Stirling Engine Model Physical Motor Power Generator External Combustion Educational Toy Type_Balance Stirling The arc length is 9cm

The arc length is 9cm

Rod made of stainless steel manufacturing

made of aluminum alloy body

- Fuel: 95% alcohol

full size: 82mm

Stirling Engine Model Physical Motor Power Generator External Combustion Educational Toy Type_Balance Stirling The arc length is 9cmMini Stirling Engine External Combustion Engine Micro generator Steam Engine Model Science Education Toys Features: . 100% brand new and high quality. . Made of superior material, durable to use . Exquisite workmanship, except for the use of quartz glass for power piston cylinders and hot cylinder pistons, the base, bracket, flywheel, heating cylinder, connecting rod, etc. are all made of metal, which is sturdy and durable, and the assembly process is