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
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.
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.
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.
Control Cable Components
EAA volunteer and A&P mechanic Fred Stadler discusses the various components that make up a control cable. Fred provides information about typical uses and selection of components to make up control cables in homebuilt aircraft.
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.
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.