In Case You Missed it
Do-It -Yourself Aircraft Jacks
Having completed two basic welding courses, I was a solution looking for a problem.
Wind Tunnel
Certain situations and configurations just call out for a ducted-fan installation. Barnaby Wainfan explains the benefits and drawbacks.
Wind Tunnel
Pitch is not the only axis involved in making an airplane fly well. Yaw and roll are also important, and this month Barnaby Wainfan turns his attention to lateral/directional stability and its effect on flying qualities.