Marking Tubing Reference Lines
Timm Bogenhagen from the EAA staff demonstrates an easy way to mark a reference line on long pieces of tubing.
Joining tubes together requires shaping the tube end to get a good tight fit. Charlie Becker demonstrates a technique he learned from Paul Poberezny to fishmouth tubing for good tight fits.
Welding Helmets Overview
Not all welding helmets are the same. Charlie Becker from the EAA staff reviews the basic and some special features of helmets and discusses how more than one helmet is useful when welding aircraft structures.
Filler Rods for Gas Welding 4130
Dr. Joe Maj, AirVenture volunteer in the Gas welding workshops and SportAir Workshop instructor shows us the top choices for filler rod for gas welding 4130, and the application for each one.