Shop Talk

Radial oil seals, the kind found on rotating parts such as crankshafts, cam shafts and axles, are wear items and occasionally need to be...

Documenting the changes you make to your airplanes electrical system is tedious work-but vital. Jim Weir takes a look at the software available to help you keep track of upgrades and mods.

Mike and Cal.

Saving a metal cowl from self-destruction.

How do you turn out non-cylindrical objects with your lathe? Why, by using a four-jaw chuck, of course. And there's a way to effectively employ that 'ole' adjustable wrench that might have escaped you for years; by Bob Fritz.

If you are going to do a proper job of maintaining your airplane, you will need some tools that don’t have much use outside of aviation.

As a new builder I came quickly to the step of needing to mark rib centerlines to align the ribs with the predrilled holes in the skin.

Even though many planes have most of their flight controls actuated by pushrods and bellcranks, for the rest of us cables and pulleys do...

Battery facts and fables—Lithium considerations. By Robert L. Nuckolls, III.

Piano hinges find themselves in all kinds of places as we examine the structure of our homebuilt aircraft. Providing a pivoting mechanism for control...