Действующая миниатюрная модель двигателя из бумаги

This model is almost completely made of paper (except some scotch tape on valves to eliminate friction) and runs on compressed air. LxWxH: 32 x 24 x 27 mm Shafts diameter: 1 mm Piston stroke: 6 mm Cylinder diameter: 5.5 mm “Swept volume“: ~ 1058 mm3