Use of the Whitney Punch
A Whitney punch is a great way to make perfectly round holes thru sheet metal. EAA Technical Counselor and A&P/IA mechanic Bob Koehler demonstrates the use of this useful tool.
In Sheet Metal
Building Aluminum Rib Jig
Scratch built Super Cub builder and EAA Chapters Manager John Egan shows the wing rib jig he built to assemble his built up aluminum wing ribs.
Bucking Bar Basics
EAA Technical Counselor and A&P/IA mechanic Bob Koehler shows different types of bucking bars to set rivets. He reviews several designs and demonstrates their usage.
Fabricate Aluminum Rib Intercostal
Built up wing ribs have several component parts. In this video EAA chapter manager John Egan demonstrates how he fabricated an intercostal for his scratch built Super Cub aluminum ribs.