Drill Sizes- Number vs. Fractional
Joe Norris provides an review of drill sizes and the benefils of using numbered drill sizes for accuracy. Joe is the EAA Flight Training Manager as well as a DAR, A&P aircraft mechanic with Inspection Authorization (IA), and EAA Technical Counselor.
In Sheet Metal
Using Metal Shrinker
EAA Chapters Manager John Egan demonstrates the use of a metal shrinker. John also shows how he used a shrinker to bend the metal cap strips on the aluminum ribs he built for his scratchbuilt Super Cub.
Sheet Metal Snips
Cutting sheet metal can be made easy when using the properly designed snips for the application. Tracy Buttles from the EAA staff demonstrates how to use various types of handheld sheet metal snips.
Gun Riveting Basics
EAA Technical Counselor and A&P/IA mechanic Bob Koehler demonstrates the basics of using a 2X rivet gun and bucking bar to properly set protruding and flush head rivets.
Pressure Testing Fuel Tank
Testing newly fabricated fuel tanks for leaks is always a good idea prior to flight. Tim Hoversten from the EAA staff demonstrates a simple technique to pressure test a welded aluminum fuel tank.
EAA Technical Counselor and A&P/IA mechanic Bob Koehler likes to stock longer sized rivets then cut to size when needed. He demonstrates how to cut solid structural rivets to proper length prior to being set.
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.