Physics science hot air engine generator with single
Physics science hot air engine generator with single cylinder model demonstrating external combustion principles for educational and mechanical study applications Features: 1: This engine model is also a well-designed, hand-made mechanical , suitable for people of all ages and jobs in life. 2: The vacuum motor uses the inertia of the flywheel to drive the piston, thereby reducing the pressure in the cylinder. Turn the steering wheel with a cotton swab dipped in until the machine turns. No need to add water. It will become a beautiful decoration on your desk. 3: With visual texture and beautiful appearance, it is...