In Case You Missed It
Wind Tunnel
Got separation anxiety? Vortex generators can keep the airflow attached where it belongs.
Mounting On a Curve
A long time ago, when homebuilders began installing Garmin 430s—the most popular IFR GPS/nav/com...
The Effects of Ignition Advance on Cylinder Head Temperature, Speed, and Efficiency
If a little is good, more is better, and too much should be just about right. Not!
Engine Beat
There's a lot to know about aircraft oil: what to use, when to use it, when to change it. Steve Ells sheds some light on this essential fluid.