Brian Carpenter from Rainbow Aviation demonstrates the use of bonding brushes to prepare a surface for a grounding lug to be properly attached to the airframe.
In Hints for Homebuilders
Crimping Butt Connectors
EAA technical counselor and A&P/IA Dick Koehler discusses how to use butt connectors and demonstrates wire splicing using a butt connector.
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.
Bending Steel Tubing
Bending steel tubing is required on many steel tube fuselage designs. Scratchbuilt Super Cub builder and EAA chapter manager John Egan shows a jig he built and demonstrates how to bend tubing using the jig.