WOLFBUSH Hot Air Stirling Engine Model Propeller Aircraft Head Shape Motor Toy for Children and Adults

Operating Methods: Put the engine model on the horizontal position next take out the alcohol lamp add about 2/3 alcohol into the alcohol lamp under the premise of ensuring safety ignite the alcohol lamp you can gently power the flywheel rotation the engine would keep running. Operation Theory: A stirling engine is a heat engine that operated by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures such that there will be a net conversion of heat energy to mechanical work. Manufactured by Wolfbush. Wide Application: This model kit has a wide range of application as great gift for Kids' science project Physical/mechanical learning teachers Demo props on the class birthday gift for friends families parents kids etc. NOTE: Use 95% alcohol(not including) during operation no water kerosene gasoline lighter oil liquor and spirits. The product is suitable for people over 14 years old. Material: Selected quality materials made of brass and glass. Bright color it is not easy to rust and fade. Transparent glass base high speed and long running time and no wear.