More Than a Science Project
The folks at Sonex have been busy with recent first flights of both their battery-powered E-Flyer and the single-place, folding-wing Onex.
Here Comes the Judge
How do aircraft judges at the big annual events evaluate a potential prizewinner? You might be surprised. By Bill Repucci.
Build Your Own Leak-Down Tester
Converting a Harbor Freight compression tester for aircraft engine use.
Ask the DAR
What paperwork is necessary when a new owner makes an engine change? If floats are replaced with conventional gear, what does the change in gross weight mean for a plane's LSA status?
To Launch a Light Sport
This month’s chronicle of building a Jabiru J250 Light Sport airplane covers the assembly of the wings and tail, and discusses the value of surface preparation.
Under New Management
An inside look at EFII's all-new electronic engine control system for Experimental Lycomings.
Aithre Illyrian Smart Pulse Oximeter
For full-time SpO2 monitoring, stick the Illyrian under the headset and let the app do the rest.
How to Build Your Own Engine (Or Maybe Not)
Adding a rotary engine to a Q2 is easier said than done.
Build Your Own Hangar Doors
Not finding any commercial doors to his like or budget, the author built his own. By Nolan Bradbury.
In Case You Missed it
Light Stuff
Motivated by an irresistible bargain and at least a modicum of nostalgia, author Dave Martin recaptures a piece of his earlier flying years when he purchases a twin-engine Lazair ultralight in partnership with two buddies. The Lazair is an unusual design to say the least, and Martin hasnt forgotten how to fly it, so both of his partners will benefit from his experience.
Editor’s Log
The explosion of ADS-B technology, the new Van’s RV-14 and an editor in a ballistic-parachute simulator—AirVenture was full of exciting developments, as always. Plus: a send-off for Editor-at-Large Marc Cook. By Editor-in-Chief Mary Bernard.
