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.

Arc welders rarely wear out, but they can become out of date. Here’s a look at modern welding options for farm shops: Arc welders are the traditional welding workhorse. Modern arc welders use ...

Using a carbon electrode torch connected to his arc welder, a setup that’s similar to the one he used to make synthetic rubies, [NightHawkInLight] is able to strike an underwater arc inside a ...