What Shape is Your Documentation In?

2
How to fix it from the beginning.

The Great Spacer Caper

4
Retrofitting polyurethane spacers to the main gear of a Zenith STOL CH 701.

Ryan ST Reimagined

0
Timber Tiger Aircraft’s ST-L brings modern technology to a classic design.

Buying Used: Zenith STOL CH 701

2
For 35 years, the “Sky Jeep” has soldiered on.

Shining a Light on DarkAero

1
Ryley, Keegan and River Karl provide a behind-the-scenes view of the DarkAero 1.

Troubleshooting 102: EFIS

0
Calibration and hardware installation errors are common sources of trouble, so follow the install manuals to the letter.

ATS E50A Magneto Synchronizer

0
Aircraft Tool Supply made some seemingly small but useful updates to this magneto synchronizer. 

Electrified

5
The electric Xenos: two seats, long wings, inexpensive fun!

Batteries Included

1
Before the eXenos, Gabriel DeVault’s first electric aircraft was the eGull.

A Verna-What?

4
Understanding your engine’s thermostatic oil-control valve.

In Case You Missed It

Build Your Skills: Composites (Part 8)

0
Last months installment in the Composites series detailed how to do vacuum-bagging of parts at home. This month author Bob Fritz discusses how to inexpensively build one critical component in that process: the vacuum pump.

Propeller Balancing

14
Here’s what you need to know to get the smoothest results.

Build Your Own Stall-Warning Device

1
Certified aircraft have had them for decades-but not Experimentals. By Michel Suire.

Wind Tunnel

0
It’s all about lift, and knowing your airplane’s lift margin at a given airspeed tells you what the airplane is capable of.