The first test proved to be a little underwhelming, and [Cody] had to try something drastic — so he hooked it up to an arc welder to fire the projectile using 22V and 200A.

and gas-shielded flux-cored arc welding (FCAW-G). Both FCAW-S and FCAW-G use a consumable, tubular electrode that is filled with flux-materials. FCAW equipment includes a constant voltage power source ...

The pressure from the gun fuses the melted face of the stud with the metal surface. The welding process takes only 4 to 6 milliseconds after which the metal solidifies and generates a sturdy fusion ...