Spark Plug Gap
Brian Carpenter from Rainbow Aviation demonstrates setting the gap on a aviation style mass electrode style spark plug.
In Hints for Homebuilders
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.
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.
EAA technical counselor and A&P/IA Dick Koehler demonstrates the use of heat shrinkable solder sleeves and how they can conveniently be used to tie ground wires together.