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.
Modified Seine Knot - Alternate Method
Jasen Golden from Rainbow Aviation Services demonstrates an alternate sequence to tie the modified seine knot for rib stitching fabric covered aircraft.
Tube Coping with Angle Grinder
EAA Technical Aviation Expert Tim Hoversten demonstrates the use of an inexpensive angle grinder with a 60 grit flap disc to shape steel tubing when fitting joints for welding.
Cutting Dacron sailcloth
Brian Carpenter from Rainbow Aviation Services shows how to cut dacron sailcloth by modifying a soldering iron into a hot knife.