Features:
The vacuum motor uses the inertia of the flywheel to drive the piston, reducing the pressure in the cylinder. Use an alcoholic cotton swab and turn the flywheel until the machine rotates. Water is not needed. High-quality materials, combined with exquisite durability. This model can clearly show the trajectory of valve and piston and help students understand the engine with internal combustion and the external combustion engine. The ideal educational model of demonstration education and research.
Specifications:
Material: wood, metal.
Package weight: 406g
Package includes:
1 bottle x engine model.
3 x Wrenches
1 x Hose + 1 x Alcohol Burner
1 x English User Manual