NEJE DIY Low Temperature Stirling Engine - Antique Brass + Black
Description: Item Name: Stirling Engine; Material: Steel and Glass; Speed: up to 180-250 RPM; Start Temerature Difference: 20 ℃. - Features: This Low Temperature Stiring Engine could be a great gift for your friends or families. It is almost ready to run: after the installation put it on a cup of hot water then it will run itself. - Note: Can use pencil to lubricate all the connectionsother oils are not recommended.