NC Hot Air Stirling Engine Motor Toy Mini Engine Generator Motor Toy Kids Physics Education Electricity Engine Generator Model Toy

How the engine works? This type of engine 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 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. this vacuum engine is a flame-eater concept design, it can clearly show the trajectory of valve and piston, a ideal educational model to demonstrate how the conversion of heat energy to mechanical work Specification:Color                               : Black as picture show Materials                         : Aluminum Alloy + Brass + Stainless Steel + Quartz Glass + Metal + Zinc AlloyEngine Dimension           : 150 (L) x 70(W) x 90(H)mmEngine Net Weight          : 310g Package Contents: 1 x Engine Unit 1 x Fuel Burner 1x Fuel Filling Tool 3 x Wrench