Barnaby Wainfan
Barnaby is a Technical Fellow for Northrop Grumman’s Advanced Design organization. A private pilot with single-engine and glider ratings, Barnaby has been involved in the design of unconventional airplanes including canards, joined wings, flying wings and some too strange to fall into any known category.
Mind the Gap
An ill-fitting joint where the wing joins the fuselage doesn't leap to mind as a foremost source of induced drag, but the effects can be significant.
Wind Tunnel
Increasing the weight of an aircraft will affect its performance in all phases of flight.
Wind Tunnel
Sometimes adding accoutrements, paint, interior embellishments and other must-haves can result in a weight penalty that is difficult to overcome.
Wind Tunnel
When the airflow separates from a surface, the result can be unsteady forces or turbulent wake shedding, neither of which is desirable.
Wind Tunnel
This month well look at another complex interaction between aerodynamics and aircraft structures that can cause structures to fail: fabric flutter.
Wind Tunnel
Stall flutter is the result of the elastic axis of a wings surface being aft of the aerodynamic center, resulting in instability. A vicious cycle of lift, twist, stall and lift may ensue.
Wind Tunnel
Barnaby Wainfan offers an explanation of how tail surfaces can be subject to flutter and how to avoid the potentially disastrous result.
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.
Wind Tunnel
Airplanes are surprisingly flexible, and changes in their shape can affect aerodynamic characteristics. Barnaby Wainfan explains how the two are coupled.
Combating Carb Ice
Barnaby Wainfan examines a sneaky and sometimes little understood cause of in-flight scares and engine failures: carb ice.
In Case You Missed It
Design Process: Droops and VGs
In general, there are two ways to increase the maximum lift of a wing....
Ask the DAR
Transferring an aircraft's repairman certificate, replacing a lost airworthiness certificate, converting a certified aircraft to Experimental.
Fisher Flying Products
Fisher Flying has been a fixture on the homebuilt scene for 30 years. With a new owner and a new home, the company—whose designs include the classic Dakota Hawk—is ready for a new generation.