Ask the DAR

Increasing gross weight, adding IFR to operating limitations, transponder requirements.

Making a Business out of a Metal Rod

Harmon Lange has made more landing gear legs than anybody.

Biplane Cross-Country

Tennessee to Connecticut in a Starduster SA-100.

G3X Upgrade

Improving an already capable panel. By Bob Markert.

Sawtooth Climb Performance

A traditional flight test technique for determining Vx and Vy.

Rapid Prototyping and Experimental Design

Wheel pants and gear fairings, part 2.

Completions

Builders share their successes.

Build Your Skills: Fabric

Who knew there was so much to consider when selecting a fabric for your aircraft project? Cotton or polyester? Light weight or heavy? STCs, TSOs, PMAs, FAA requirements. Poly-Fiber or Ceconite systems? Ron Alexander unravels the alphabet soup and explains how and why each fabric may be the way to go for a specific project.

To Launch a Light Sport

The Jabiru engine is a thing of beauty to behold, and it’s one reason this builder bought this particular aircraft kit. Though the installation was relatively easy, it still required some thinking ahead; by Bob Fritz.

Flight Testing: Finding TAS from GPS Data

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

In Case You Missed it

Letters

F-1 RegistrationIn "Ten Years With a Time Machine" , Dave Forster states that he...

Insurance for Homebuilts: Planning 101

Choosing the right model for your skill level and one that’s well-supported is the first step in dealing with a hardened insurance climate.

Avionics Special: Surfing the Rapids

Marc Cooks installation of Grand Rapids Technologies Horizon HX synthetic vision EFIS is darned near plug-and-play, and works beautifully.

Design Process: Vertical Tail Functions–Yaw Stability and Damping

The vertical tail performs multiple tasks to stabilize and control the airplane. This month...