Letter Re: Welding With Car Batteries
Mr. Williamson, I can verify that this will work. Using two car batteries I field repaired a bracket for a hydraulic water drilling rig in Honduras. I have a few comments on the linked video to make it easier for SurvivalBlog readers. First, use an old wire coat hanger for your welding rod. Second, Mark in the video appeared to swap the polarity of the electrode before and after. Positive DC to the stick (electrode) puts more heat into the workpiece, negative DC to the electrode puts more heat into the stick (for thinner workpieces). Lastly be sure to use …