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.
Timm Bogenhagen from the EAA staff discusses using a digital infrared thermometer to increase accuracy and convenience while checking iron temperatures for shrinking fabric.
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.
TIG Welding Accessories Overview
Charlie Becker from the EAA staff provides an overview of several accessories you might want to acquire when setting up your new TIG welding system.
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.