In Case You Missed it
Wind Tunnel
Aerodynamic flutter has been a recent concern in the homebuilt world. What exactly is flutter? What causes it? Barnaby Wainfan clarifies an often misunderstood and potentially dangerous phenomenon.
Engine Beat
How are your cylinders doing? A differential compression test can uncover any problems-almost before they start. Steve Ells explores what the results mean, and what to do about them.
