![[Credit: Mike Davenport]](https://www.kitplanes.com/wp-content/uploads/2026/08/Over-Stave-Lake-3.jpg?w=534&h=462&crop=1 "Glasair Sportsman 2+2 Build Part 3")
![Coming in for a landing at Humberd’s Farm [All Images Credited to Jon Humberd]](https://www.kitplanes.com/wp-content/uploads/2026/07/9-1.jpg?w=265&h=198&crop=1 "Overcoming Setbacks on the Zenith 750SD Xtreme")
![Humberd and his daughter using the 701 for some farm duty transportation. [All Images Credited to Jon Humberd]](https://www.kitplanes.com/wp-content/uploads/2026/05/1-3.jpg?w=265&h=198&crop=1 "Builder’s Spotlight")
![Checking out East Tennessee scenery from the 701. [Credit: Jon Humberd]](https://www.kitplanes.com/wp-content/uploads/2026/04/3.jpg?w=265&h=198&crop=1 "Builder’s Spotlight")
![[Credit: Jon Humberd]](https://www.kitplanes.com/wp-content/uploads/2026/02/20-2.jpg?w=265&h=198&crop=1 "Epic Is Back")
Firewall Forward: Cowls, Baffles and Intake Air
How to keep your engine’s carburetor or fuel-injection system breathing right.
Dyno Testing
Dyno testing your engine before installation can be an investment in peace of mind as well as the future value of your aircraft.
Build It Better: Building a Team
Sometimes working alone in your hangar is exactly what you want. But other times a helping hand is called for, and then it helps to know you’re part of a worldwide homebuilding community.
Ask the DAR
When can an ELSA be used commercially? Can an E/AB aircraft be certificated without a transponder?
Bullish on Weight
For Red Bull racing professionals, reducing the engine weight in their aircraft is serious business. We can learn from their experience.
Garmin’s ADS-B WX
Garmin’s portable ADS-B receiver is a solid performer, but it does have some competition from other devices when it comes to providing traffic and weather information. By Jeff Van West.
Classic Caretaker
Easy to build, easy to fly...and affordable too. No wonder the Fly Baby remains popular decades after the prototype debuted.
Do-It-Yourself Ejection Seat
Adding lift to the seat allows a builder to exit his Fly Baby easily (plus it’s virtually undetectable to bystanders).
When the Rooster Flies
Just because real roosters don't fly doesn't mean that a 100%-original aircraft designed and painted to resemble one wont.
In Case You Missed It
All About Avionics: Wiring Bundles
Anyone can make wiring look good. The bonus is that your installations maintenance and future upgrades will be much easier. Stein Bruch shows you how.
All About Avionics–The Electric Airplane
Its a new world in homebuilt avionics, driven by electronic instruments and powered by an electrical system tailored to meet each specific application. Resident Avionics Guru Stein Bruch walks you through numerous possible configurations for powering your equipment, and offers tips on how to do the installation right the first time.
What’s New
Dr. RoTech introduces an engine analyzer for Rotax 912/914 engines, Planemakers offers builder assistance for composite aircraft, and Ameritech distributes Electroair ignition systems.
Ask the DAR
Can a builder modify a Vans RV-12 kit under the 51% rule? How about changing the gross weight of a RANS S-7? Plus, the FAA releases revised homebuilding rules.