Chuck sent in his great how to on making a copper pipe potato gun – “Dave and I have an affinity for copper. We’re, I guess, slightly obsessed with the stuff. It’s shiny, soft but strong, and easy to work with. So we build stuff out of it more and more frequently. Some bloggable, some not. One of our recent bloggable uses for copper pipe is our copper potato gun.” Link.
HOW TO – Make a copper pipe potato gun