![[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")
All About Avionics: EFIS Dreams
Much has changed since our last review of Experimental EFISes more than a year ago. It’s getting harder to differentiate among companies and their products as these systems mature and functionality becomes more similar. By Stein Bruch.
Meet the Grizzly
AeroTek Aviations Beaver-size amphibious kit airplane, the Grizzly, showcases the company's 550-shaft-horsepower Pratt & Whitney PT6A engine conversion, which has also flown in the Murphy Moose. By Ed Wischmeyer.
Shockwave
There's a new anti-icing option for high-end Experimental/Amateur-Builts. Its called Therm-X. By Jack Cowell.
Air Power
The art of porting cylinder heads, whether by hand or by CNC machine, is a valuable part of blueprinting detailed engine builds or overhauls, and surprisingly subtle changes can determine how efficiently the engine will breathe.
The Home Machinist
If you need to send a part out to be built by a professional shop, a good drawing, well identified, is essential. The KISS principle applies, and be sure you don't request closer tolerances or more exotic materials than you really need, or it will cost you.
To Launch a Light Sport
This month builder Bob Fritz searches for a better alternative to last-century circuit technology for his panel and finds it in a Polyfuse.
Build Your Skills: Fabric
Everyone could use a little sunscreen, and the fabric on a fabric-covered aircraft is no exception. This months installment, the last in the series, discusses pre-paint protection to minimize sun damage. By Ron Alexander.
To Launch a Light Sport
Once the spinner was in place, it was time to fit the cowl, and surprisingly simple tools helped along the installation. By Bob Fritz.
In Case You Missed It
The Best Oshkosh Ever
I know many of you following the progress of my Hummingbird helicopter are probably...
Archive: February 1989
On our February 1989 cover we celebrated the “Return of the Cub.” From today’s...
All Over the Map
When the FAA inspector or DAR (Designated Airworthiness Representative) arrives to award you your...