2012 Kit Aircraft Buyer’s Guide

The 2012 Kit Aircraft Buyer's Guide features a stunning 316 designs.

2011 Plansbuilt Buyer’s Guide

Some 135 designs you can build from scratch.

2011 Kit Aircraft Buyer’s Guide

Some 320 current designs are arrayed with photos and specifications to beat the band. Compiled by Cory Emberson.

Constant-Speed Props

Sometimes using a constant-speed prop makes sense, but the decision is often a compromise among weight, cost and performance. By Marc Cook.

In Case You Missed it

Fast Filter Replacements

Fuel filters are found on every aircraft that has an engine. They need to...

Still Searching for Speed

Looking for the perfect next project, part 2.

Flight Testing: Finding TAS from GPS Data

Math works! Kevin Horton shows you how to use GPS data to calculate true airspeed.

Wind Tunnel

Design process-CG loading, part 2.