Wind Tunnel

When conducting aerodynamic testing related to airflow over an object, how do you ensure that you've matched the conditions from one test to another, and why does it matter?

Design Process: Flap Types

Last month we took a look at the trade-offs the designer should consider when defining the flap system for the airplane. The choice comes...

Stressing Structure

Cable-operated aileron control system.

Design Process: Droops and VGs

In general, there are two ways to increase the maximum lift of a wing. The first, as we have been discussing the past couple...

Wind Tunnel

Design process-tail volume. By Barnaby Wainfan.

Wind Tunnel

Design process, part 6-obstacles.

Wind Tunnel

One effect of a rotating propellor: It acts as a gyroscope. What does this mean for the pilot?

Wind Tunnel

Design process-CG limits and tail size.

Wind Tunnel

Last month we took a look at using hinge-line offset to aerodynamically balance control surfaces. Offset hinge balances are effective, but they were not...

Design Process: Landing Gear, Part 4

Last month we looked at how the static stability of the airplane when it is sitting at rest on its landing gear affects the...

In Case You Missed it

What’s New

TCW Technologies announces two new products, ChartFlier introduces a low-cost entry to the ADS-B market, and a veteran airshow performer pilots the SubSonex jet on its maiden flight.

Organizing Rivets

We all have the same problem: Organization eludes us. It can be a nightmare...

Around the Patch

Homebuilt aircraft manufacturers are sometimes reluctant to admit that they have created a less than perfect design, let alone offer a fix. Arion Aircrafts Nick Otterback is bucking that tide; by Marc Cook.

Starduster Too

This Starduster Too is more than just a smart-looking biplane with unique elliptical wings and eye-catching paint. Careful reconstruction and modifications have made it into one sweet-handling ride. By Ed Wischmeyer.