![[Credit: Lisa Credit]](https://www.kitplanes.com/wp-content/uploads/2026/10/Experimental.jpg?w=265&h=198&crop=1 "Have You Seen Your Oplims?")
![[Credit: Andrew Robinson]](https://www.kitplanes.com/wp-content/uploads/2026/10/737_VGs2.jpg?w=265&h=198&crop=1 "Vortex Generators")
![[Credit: Van's Aircraft]](https://www.kitplanes.com/wp-content/uploads/2026/10/Vans_RV14A.jpg?w=265&h=198&crop=1 "Something New On The Horizon")
![[Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/10/Chute-Topaz-Gigapixel-2x-scale.jpg?w=265&h=198&crop=1 "Should You Consider A Whole Aircraft Parachute?"){kind=tracking}
Light Stuff
Roy Beisswenger encourages Americans to participate in the World Microlight and World Paramotor Championships to be held in Spain this summer, and discusses what is required to compete.
Letters
Missionary ZealI have been a KITPLANES® subscriber since its inception. Over the years I have watched your publication evolve with the industry and the...
Building as a Group
The Independence Five is an Oregon-based group building a bevy of DH.2s. Dean Sigler explores their approach to building and reports on how the project is progressing.
Headlong For Headers
Tom Wilson, an avowed hot rodder, details his foray into the world of custom exhausts and the performance gains found on his Lycoming IO-540.
Firewall Forward: Choosing Your Engine
Many factors go into choosing the right engine for your homebuilt. In Part 1 of this new series, Dave Prizio provides an overview of the options available in Lycoming and Lycoming-type engines, and what you need to consider when making a decision.
Free Flight
Perfection is unattainable for most builders, yet it is what many strive for. Paul Dye posits that sometimes “good enough” may be just what you need to finally get out of the shop and into flying.
The Dawn Patrol
Dick and Sharon Starks help a fellow member of The Kansas City Dawn Patrol ready his WW-I replica aircraft—a Mariner amphibian in 1918 Curtiss Seagull livery—for its FAA airworthiness inspection.
Build It Better: What’s Your Backup Plan?
The word “redundancy” is often heard in aviation, and with good reason. But a well-thought-out backup plan involves more than just having two of everything.
Ask The DAR
DAR Mel Asberry answers a reader’s question regarding the Experimental/Amateur-Built eligibility of an airplane he’s building with parts salvaged from a Cessna 175.
In Case You Missed It
Variable Geometry Cooling System
The way to reduce or eliminate excess cooling drag in cruise is to use a variable-geometry cooling system that can change shape to control the amount of air flowing through the cowling.
Error Chain: It’s What You Don’t Know That’ll Kill You
Or, how to be lucky and dumb–a hypothetical tale in three acts.
Low-Cost Spark Plug Ohm Tester
This handy tester is rugged enough to be stored in your tool tray with...