Jet propane torch
If you want to set up your own metal foundry, then you need to start with a propane torch. A jet propane torch can be assembled with a few borrowed parts and fitting from a gas grill and a welder. This way, you can easily build a high temperature torch, supplies by a basic propane tank.
This time, the guys at “MakeItExtreme” demonstrate how to build it. They make sure all of the fitting are tight and use a welder and a drill press to finalize the project.
Check it out!