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.
Wind Tunnel
Nine simple rules, distilled from years of experience (making—and fixing—assorted mistakes), can help any aircraft designer avoid disaster.
Wind Tunnel
It’s all about lift, and knowing your airplane’s lift margin at a given airspeed tells you what the airplane is capable of.
Wind Tunnel
Contrary to popular belief, the frontal area of an airplane is not the most important determinant of drag.
Vortex Generators and STOL Performance
One way to solve the problem of flow separation—and stall—is by installing vortex generators on your kit aircraft.
Wind Tunnel
While two-control airplanes were designed to make a pilot’s life simpler, they come with significant compromises.
Wind Tunnel
Certain situations and configurations just call out for a ducted-fan installation. Barnaby Wainfan explains the benefits and drawbacks.
Wind Tunnel
Seemingly inconsequential alterations—even mounting an inflight camera on the airframe—can result in big changes to an aircraft’s handling and performance.
Wind Tunnel
Builders are often in a rush to prove the airworthiness of their homebuilt projects, but thorough flight-testing is essential.
Wind Tunnel
Taxi testing may seem to be a mere formality, but it is a vital step toward bringing a new aircraft to flight, and is not without its dangers.
Wind Tunnel
Taking off in an aircraft would seem to be a fairly simple, straightforward maneuver. But in fact it’s complicated, and a combination of factors must be just right for it to work.
In Case You Missed it
Down to Earth
Amy Laboda discovers that a newly installed EFIS, six-weeks away from her RV-10 and an acute caffeine deficiency challenge her inner student.
Boots on the Ground
Paul Dye talks about meeting old friends and making new friends at air shows and fly-ins, and introduces several new columnists who will be regular contributors to KITPLANES.
What’s the Deal With AN Hardware?
As a new kit builder, you may have wondered about that gold-colored AN hardware...
A New Name on the Alternative Engine Block
When NSI went under in 2005, builders who had an engine or were waiting on parts for one might have found themselves in a world of hurt. But seeing an opportunity, John and Gwen Maxwell acquired the assets of the company and have endeavored since to make a sound product even better; by Marc Cook.