In Case You Missed It
Design Process: Pitch Force Trim
For an airplane to maintain steady-state level flight it must be trimmed in pitch....
Around the Patch
Have you checked your fuel system for leaks lately? Turns out there's a good reason to periodically conduct a thorough investigation. Incipient leaks may go undetected. Worse, when the O-ring on the fuel-selector valve goes bad, it could allow air into the system, which means your engine could misbehave at a most inconvenient time. Often, this malady is difficult to diagnose and the assumption is that the fuel selector is OK when it is not.
Static Port Location and Altitude Calibration
Often a challenge, accuracy depends on three things: location, location, location.