The Stirling engine is a unique engine, because their theoretical efficiency is almost equal to the maximum efficiency of the theory, which is called the carnot cycle efficiency. The Stirling engine is powered by a heated gas expansion and a cold contraction. This is a kind of external combustion engine, continuously make the fuel combustion, expansion air or helium or hydrogen as the medium make the piston motion, expansion of gas in the cold chamber cooling, repeatedly in the circulation process.The role of entertainment experiments. As long as a little alcohol lamp lighting can make him work, use any heat source, operation, and share with the people around, discussion on the application prospect of implied by it, find another opportunity. Be active in the office or the home, as a decoration, novel and unique, provocative. Fortunes - desktop engine, the principle of the deep, in the form of the most direct coupled with high-speed rotation, power strong, give a person a kind of feeling of passion, forge ahead, and keep pace with The Times spirit of The Times and the love of life, the constant pursuit of the good, the dual effect of science and technology, entertainment! The item "DIY Miniature Balance Stirling Engine Model Steam Science Experiment Toy Gift" is in sale since Saturday, April 24, 2021. This item is in the category "Toys & Hobbies\Models & Kits\Tools, Supplies & Engines". The seller is "vtz-49" and is located in shenzhen. This item can be shipped to United States, all countries in Europe, all countries in continental Asia, Canada, Brazil, Australia.