Tiny v8 engine made out of paper – Video

 

 

 

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