In this riveting tutorial, discover the fascinating process of creating your own jet propane torch powered by a DC motor.

A jet propane torch can be assembled with a few fittings and parts borrowed from a welder and gas grill. Setting up your own metal foundry starts with a propane torch. Using gas fittings and a few ...

🛍️ Amazon Prime Day is live. See the best deals HERE. 🛍️ By Vin Marshall Published Dec 4, 2009 1:59 AM EST Get the Popular Science daily newsletter💡 ...