Wind Tunnel

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Barnaby Wainfan explores the optimum size of a wing and the best ways to balance performance and efficiency.

Wind Tunnel

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This month we use the accumulated flight-test data to determine what exactly is causing the unacceptable flying qualities of the airplane so that the best way to fix the problem can be identified;

Design Process: Planform Shape

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Last month we took a look at the effects of span and aspect ratio. At this point on the design of the wing, we...

Wind Tunnel

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Stiffness.

Design Process: Wing Size and Stall Speed

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Last month, we began discussing the factors that can drive the wing of our airplane to be bigger than it would be if it...

Wind Tunnel

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Gyroplanes, part 5.

Wind Tunnel

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Design process, part 5-airports.

Wind Tunnel

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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

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Nine simple rules, distilled from years of experience (making—and fixing—assorted mistakes), can help any aircraft designer avoid disaster.

Design Process: Vertical Tail Spin Considerations

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Not every airplane is designed to perform intentional spins, but that doesn’t mean the designer can safely ignore the effect of the vertical tail...

In Case You Missed it

Kit Stuff

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Drawing on experience; by cartoonist Robrucha.

Caffeine and Quality

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I’ve found coffee and aviation are inexorably linked.

Firewall Forward: Exhaust Systems

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Besides venting engine exhaust, an exhaust system must heat the cabin and warm the carb. Some crucial rules must be heeded, no matter what kind of system you choose.

Good Vibrations, Bad Vibrations

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Mating a prop to an engine requires more than a big wrench and some safety wire. Follow along on a real propeller vibration test.