![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=534&h=462&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")
![Members of the North Idaho High School Aerospace Program gathered at KSZT [Credit: North Idaho High School Aerospace Program]](https://www.kitplanes.com/wp-content/uploads/2026/02/IMG_3499.jpg?w=265&h=198&crop=1 "North Idaho High School Student ACES Fly the Aircraft They Built")
The Independence Project: Tackling the Tail
Dave Martin and the builders of Chapter 292 break out the rivet guns and bucking bars, and work on the RV-12 tail.
Flight Testing: Static System Error, Theory and Practice
Flight testing requires precise airspeed calibration and measurement. A less-than-optimal pitot-static system can compromise those numbers. Heres how to troubleshoot the problem.
Channel Challenger
Dick Starks and the Dawn Patrol get a front-row seat to the Bleriot XI replica’s very successful first flight. Next comes flying off the 40 in preparation for its English Channel flight.
Man on a Mission
Tom Needham, with the help of his son Daniel and numerous friends, completes a Sportsman 2+2 and will use the plane's big hauling capacity and short-field performance to shuttle people and supplies between remote locations in Africa.
Build a Bear: Third Time Charm
Repeat offender Dave Prizio goes for his third strike, ultimately deciding to build an Texas Sport Cub.
The Independence Project: Winging It
Dave Martin and EAA Chapter 292 take on the latest offering from Vans Aircraft: the RV-12 LSA kit.
Flight Testing: Finding TAS from GPS Data
Math works! Kevin Horton shows you how to use GPS data to calculate true airspeed.
Return of the Turbo-Compound
Everything old is new again. Paul Lamar looks at the turbo-compound engine, developed in the post-WW-II era. Thrown over for jet engines, it may yet hold promise today as we search for more energy efficient ways to get the most out of increasingly expensive fuel.
In Case You Missed It
Safety Is No Accident: Auto-Engine Conversions
Ron Wanttaja crunches the numbers to determine whether homebuilts powered by auto-engine conversions are inherently less safe than their traditional engine brethren.
Buzzwords
Pilots compensate all the time for aerodynamic effects such as ground effect, often without being conscious of it. By Ed Kolano.
Marking Rivet Locations
Laying out rivet patterns can take a lot of time, especially when the drawings...