![Oshkosh is more popular than ever with three-quarters of a million people in attendance at AirVenture 2026. [Credit: LeRoy Cook]](https://www.kitplanes.com/wp-content/uploads/2026/09/IMG_7321-Topaz-Gigapixel-2x-scale.jpg?w=534&h=462&crop=1 "Wide World of Airplanes"){kind=tracking}
![Maintenance technician William Vergonet conducts an inspection on a Cub. [Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/09/IMG_3535.jpg?w=265&h=198&crop=1 "Post-Flight Maintenance Debrief")
![Pat McKiernan has found that he and his dad who built this beautiful RV-7 simply learned to enjoy the build. [Credit: Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/08/Builder.jpg?w=265&h=198&crop=1 "Life Lessons From Building an Airplane")
![[Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/08/AdobeStock_51865118.jpg?w=265&h=198&crop=1 "FAA MOSAIC Rule Fully Implemented")
![My 36 year old clipboard from when I started at Boeing. Engineering ruler and fastener/fastener hole cheat sheets. [Credit: Andrew Robinson]](https://www.kitplanes.com/wp-content/uploads/2026/08/Liaison_clipboard.jpg?w=265&h=198&crop=1 "What Is a Liaison Engineer?")
Cycles of Flight
When man first took flight with wings, he did it without power. Gliding on the wind from hills and dunes, the short periods of...
What’s New: Dynon’s New Com Radio and Intercom
X-Series Oil Coolers from Airflow Systems, Belite’s new LED Fuel Gauge.
Letters
Belt Tension ReferenceIn the June issue of KITPLANES® on page 34, the reference for checking alternator belt tension with a torque wrench is given...
Inside Spruce
What really happens when you place an order at Aircraft Spruce & Specialty? By Tom Wilson
In Case You Missed It
Building the RV-3 Aileron Trim
Shocked by the price of servos, Paul Dye decided to fabricate an aileron trim for his RV using compact linear actuators intended for use in radio-controlled models and robotics.
Blast From the Past
Chris Hill’s Dr.I replica is as close as you can get to an actual 1917 Fokker Dreidecker.