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.
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.
Marking Tubing Reference Lines
Timm Bogenhagen from the EAA staff demonstrates an easy way to mark a reference line on long pieces of tubing.
Cutting Dacron sailcloth
Brian Carpenter from Rainbow Aviation Services shows how to cut dacron sailcloth by modifying a soldering iron into a hot knife.
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.
Fabric Covering Drain Holes
Installing holes in fabric covered airplanes is one of the last steps in the fabric covering process. Timm Bogenhagen from the EAA staff shows an easy way to do this using a round tip soldering iron.