Tension vs. Shear Nuts
Aircraft bolts can be installed primarily in either shear or tension loads. Dick Koehler reviews these applications and discusses the differences in the type of nut used to secure the bolt and how their torque values differ.
In Hardware, Cable and Safetying
Cutting Cable with a Cold Chisel
Cutting steel cable can be easier than you might think. Brian Carpenter from Rainbow Aviation Services demonstrates how to cut control cable using a tempered steel cold chisel.
Cutting Internal Theads
EAA Technical Counselor and A&P/IA mechanic Bob Koehler demonstrates the use of a tap to cut internal threads within a piece of aluminum plate.
Using Nord-Lock Washers
Nord-Lock wedge washers are another way to safety a nut and bolt from loosening. Charlie Becker from the EAA staff demonstrates the use of Nord-Lock washers and how they work.
Brian Carpenter from Rainbow Aviation discusses pulley installation and inspection issues.
Aircraft Screw Identification
Using the proper screw for the intended application is important. EAA Technical Counselor and A&P mechanic Bob Koehler reviews different types of nonstructural screws commonly used in aircraft construction.
Rubber Lined Zip Tie
Brian Carpenter from Rainbow Aviation shows off a new product, grip lock ties. Using rubber as a cushion this zip tie is sure to be useful in many areas of a homebuilt airplane.