This is traditionally known as an external combustion engine in contrast to an internal combustion engine where the heat input is by combustion of a fuel within the body of the working fluid. Unlike the steam engine's use of water in both its liquid and gaseous phases as the fluid, the Stirling engine encloses a fixed quantity of permanently gaseous fluid such as air or helium.
As in all heat engines, the general cycle consists of compressing cool gas, heating the gas, expanding the hot gas, and finally cooling the gas before repeating the cycle. To pay that will come. On the heating tube, this does not means a used item, if you have concern on this issue, please skip off this item, thank you for understanding! That may incur in your country, when incur, it would be at your own responsibility to take care of. Twin Cylinder, Twin flywheel, Super cool design. Fully assembled, ready to run, just take and play. Unique design in dual balance concept, big cylinder designed in vertical, it is a amazing cool! Good workmanship made of, good for gift presentation as well. Unit Dimension: 181mm(L) x 180mm(W) x 125mm(H). 1 x Engine Unit Note: the. Show on the picture does. The item "DIY Hot Air Stirling Engine Model Toy Mini 2 Cylinde Engine Generator Motor Toy" is in sale since Friday, March 12, 2021. This item is in the category "Toys & Hobbies\Models & Kits\Tools, Supplies & Engines".The seller is "nigo2009" and is located in Shen Zhen. This item can be shipped worldwide.