This video shows how I make a compact 2" bore air cannon with a coaxial piston valve. To understand how these valves work examine the third animation in the following link: <a href=" I also go into ...

Charging the cannon is done via a Schrader valve, as you might find on a bike’s inner tube, and firing is achieved via a ball valve. Of course, if you build such an air cannon yourself, just be ...

While the ERCA cannon is an offensive capability, the MDACS fits in “as part of an air defense construct in a similar space, from a threat perspective, as [the Indirect Fire Protection ...

The interesting bit happens next, when the piston exits the other end of the tube, with the vacuum at its maximum, there is a sudden inrush of air.