Making Metal?

How to ensure that nothing is coming apart inside your crankcase.  I’d been working with a Bonanza owner in Memphis for several weeks helping him chase down a problem with his Lycoming engine. Yes, Lycoming—the aircraft was an A36 with a Machen conversion to a...

The Waddington Effect

Contrary to popular belief, more maintenance isn’t necessarily better. Often it’s worse—a lesson that was learned during WWII. I’ve written at length in prior issues of EAA Sport Aviation on the subject of Reliability-Centered Maintenance (RCM), the scientific and...

All About Oil

What aircraft owners should know about piston aircraft engine oil. This is the first of a two-part article about the lubricating oil we use in our piston aircraft engines, and we’ll be covering a lot of territory. We’ll discuss the various types of engine...