Saw an article in an old "Mother Earth News" about the lawnmower welder and knew a guy who made one(long before I knew him), said it worked well. He also told me that he tried it without having the battery in place but the initial draw would killed the motor.
DIY Welder / Generator
Details here: Veg Gear DIY WVO Conversions I have under $20 invested in this project.
The same basic idea can be used to make a vehicle mounted welder. I am slowly working on converting the alternator in my '89 F-250. I will post it when I am done
