Water Cooled High Temperature Stirling Engine Model Metal Science Experiment Engine Toy Price_$30-$50 Total Gear Ratio: 12

Total Gear Ratio: 12

Package Weight: 2100g

Fuel: Liquefied butane gas

Product Weight: 3050g (Radio Not Included)

And the product comes with many spare cylinders

Water Cooled High Temperature Stirling Engine Model Metal Science Experiment Engine Toy Price_$30-$50 Total Gear Ratio: 12Water Cooled High Temperature Stirling Engine Model Metal Science Experiment Engine Toy Features: . Aluminum alloy double flywheel design, water cooled, high speed, stable operation. . The main body and bracket are made of aluminum alloy, and the surface is anodized . Use high hardness precision bearings, steel cylinders with precision brass pistons . The heating tube is made of stainless steel, and the ventilation piston is made of aluminum alloy .