Key features

• •A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work.The engine is like a steam engine in that all of the engine's heat flows in and out through the engine wall.
• •Engine principle is intuitive, educational toys. Exquisite workmanship made, high grade quality, good for gift presentation as well powerful, ready to run, good for physics teaching demonstration.
• •It can effectively cultivate children's interest in learning can also be used for teaching purpose, more intuitive and easy to understand. This engine is perfectly for kids over 12 years old.
• •The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.
• •Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.