STIRLING ENGINE EDUCATIONAL MODEL STIRLING Similar to the principle of operation of internal combustion engines: burning alcohol lamps provide heating to expand the internal gas, thereby increasing the power of the internal molecular gas that acts on the flywheel. Za, the heat energy will be converted into mechanical work. Through practical operation, you can observe the entire process of operation of the Stirling engine, more intuitively understand the principle of operation of the Stirling engine and deepen your interest in physics. The product has been assembled and can be used directly. Excellent stainless steel construction, sturdy and durable to use. Perfect choice jako prezent for friends, children, family and more. Specification: Item Type: Stirling Engine Material: stainless steel List of packages: 1 Stirling engine with LED lighting 1 x Sponge 1 x alcohol bottle 1 x Quartz Pipe With Iron Wire