R01 Engine Model Kit That Works, 1/12 Mechanical Metal Mini Hot Air Pumping Water-Cooled Stirling Engine Physics Experiment Set

R01 1/12 Scale Hot Air Pumping Engine Model Water-cooled Stirling External Combustion Engine Mechanical Set

• Designed with a compact and neat appearance, this retro appealing engine model uses butane gas (lighter oil) as fuel with a modern water tank and gas storage tank and adopts a water-cooled circulation system, ensuring a reliable operating process
• Easy-maintenance Reliability: Featuring fewer moving parts to avoid wear or tear and requires minimal maintenance. This model boasts a longer single operating time and service life, making it beginner-friendly for mechanical enthusiasts
• Staring Method: To start the engine, simply fill the gas tank with butane gas, turn on the gas valve switch, ignite the boiler under the engine, add about 80ml of water to the water tank, heat it for about a minute, and then start the engine by hand-cranking the flywheel
• Scientific and Educational Value: The 1/12 scale Hot air pumping engine belongs to the closed-cycle engine model, the category of external combustion engines, widely used in various places such as railways for water tank filling, public buildings, hotels, universities, shelters, urban and rural homes, and all types of factories
• Creative Gift: The engine model is suitable as an exquisite desktop decoration and a wonderful and impressive collection craft. Perfect as a high-end model holiday gift for most mechanical enthusiasts, including teachers, students, technology enthusiasts, and collectors