![[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")
The Ultimate Upgrade
Could a plane as large, expensive and complicated as the Lancair Evolution be completed by an experienced homebuilder? We have the answer to that intriguing question.
Homebuilding on the Edge
Out in the California desert, innovation in homebuilding is the rule, rather than the exception. By Marc Cook.
Firewall Forward: Installing the Firewall
Author Dave Prizio describes construction of the firewall itself, including the penetrations and the tools required.
All About Avionics
With all of the ways to get GPS information into the cockpit, a handheld unit remains a viable option. By Stein Bruch.
Build It Better: Testing, testing, one, two, three
There's no substitute for real-world testing--;something homebuilders should keep in mind when moving from the theoretical to the actual application.
Got Threads?
What to do when you've stripped a spark plug hole or other threaded receptacle in your homebuilt (once the cursing has stopped)? We have ways...
Ask the DAR
Does an A&P have to sign off on an ELT inspection? And can a Sport Pilot fly a Cessna 172?
Electronic Ignitions
Electronic ignitions can offer benefits over the standard magnetos, including lower maintenance and better fuel economy.
Firewall Forward: Tools of the Trade
Here are the tools you'll need during your engine installation, plus suggestions for keeping them organized.
In Case You Missed It
Ask the DAR
SLSA max empty weight, sailplane condition inspections, licensing a RANS S-7LS as an ELSA.
Wind Tunnel
Barnaby Wainfan offers an explanation of how tail surfaces can be subject to flutter and how to avoid the potentially disastrous result.