Richard writes “Here’s how to make a gas forge cheap from a large tube and an old hoover vac. See other examples of cast bronze I’ve created with this “flying turtle” forge, also how to create a nail gun from an old fire extinguisher. The techniques and tools illustrated and their application to the handmade object are as valuable to the modern foundryman as they were to his “Holistic” forefathers of the late 1800s.” Lots of plans, how-tos and projects. Link.
HOW TO – Make a gas forge from an old vacuum