In Case You Missed It
Blade Inflow Angle
As the propeller moves through the air, each point on the blade follows a helical path.
Tweaking an Engine/Airframe For Efficiency
When an aircraft engine is tightly cowled without cowl flaps, running hot can be a problem. But there are solutions, as author Amy Laboda found out after much research and experimentation.
The Perils of Cartooning About Avionics
Whenever I try to cartoon about avionics, all I get is resistance.
Wind Tunnel
Yaw rarely occurs without rolling, and roll rarely occurs without yawing. This month Barnaby Wainfan discusses coupled motion, including adverse yaw, the spiral mode and Dutch roll.