Tag: dar

Backups-do we need them?

The block diagram.

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.

When is an airplane in trim? At least to the pilot, the airplane is trimmed when no stick force is required to maintain equilibrium. So how do we achieve this? Barnaby Wainfan explains any number of ways to go about it, including the use of trimtabs, spring systems, sparrow strainers and variable incidence tails.