Measuring Bolt Diameter and Pitch
EAA Technical Counselor and A&P/IA mechanic Bob Koehler demonstrates the use of tools, gauges and charts to acurately measure bolt diameter and pitch.
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.
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.
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.
Safety Wire Techniques
Brian Carpenter from Rainbow Aviation Services demonstrates a method to safety wire multiple fasteners with a single wire and tips to keep the wire tight and secure.
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.
Easy Adel Clamp Installation
EAA Technical Counselor and A&P/IA mechanic Dick Koehler demonstrates a procedure to use safety wire to make it easy to install a cushioned adel clamp.