![Trimming composites gets the full PPE job. [Credit: Eric Stewart]](https://www.kitplanes.com/wp-content/uploads/2026/07/7-2.jpg?w=534&h=462&crop=1 "A Few of My Favorite Tools")
![Lowell Farrand spent years serving as an FAA DAR and is in the EAA Hall of Fame. He offers sound advise to builders. [Credit: Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/05/unnamed-4.jpg?w=265&h=198&crop=1 "Think Like a Builder")
![Author Bill Wilson takes a break from measuring and cutting the Lexan windshield during his Onex build. [All Images Credit to Bill Wilson]](https://www.kitplanes.com/wp-content/uploads/2026/04/image-2.jpg?w=265&h=198&crop=1 "Think Like A Builder")
Taking a Shine To 6061-T6 – Part 2
Cutting the initial shine with NuShine II F9 is key to a polished finish. Here's how to master the pad, pressure, speed, and polish for gleaming results.
CAD for the Home Shop
Explore how EAA members use Solid Edge and 3D printing to design, model, and build aircraft parts—affordably and efficiently with modern CAD tools.
Building a Custom Engine Mount
How a custom engine mount for the SR-1 was CNC’d, stress-tested, and welded for strength, weight savings, and tight packaging.
Taking a Shine To 6061-T6 – Part 1
Polishing aluminum transforms gray metal into a mirror finish—cheap, timeless, and endlessly messy but deeply rewarding.
Cable Ties For Ballast
Cable ties will become brittle over time and can break. Having weights come loose during flight, especially near the control system, could really ruin your day.
Starkey’s Custom Spark Plug Adapter Lock Wrench
Make spark plug changes easier with a custom spark plug wrench for auto plug adapters on aircraft engines.
A History of Aircraft Wiring Insulation
Discover the evolution of aircraft wiring insulation—from rubber and cotton to nylon, PVC, and Tefzel—and learn practical tricks for wiring your homebuilt.
Custom Heat Exchanger Fabrication
Designing and fabricating custom radiator and intercooler systems with packaging challenges.
Oil Filter Testing
Some aviation oil filters fall short of efficiency standards, but still protect engines—barely. Understand what yours really does.
In Case You Missed It
Archive: October 1999
Mike Arnold’s hyper efficient AR-5 was on our October 1999 cover with a report...
Meet the Fokker, U.K. Style
In 1915, Allied pilots called the Eindecker the Scourge. In 2007, three friends in England bought and built Eindecker replica kits, and improved upon the original design. By Geoff Jones.
Buzzwords: Maneuvering Speed
Ed Kolano unravels some of the misconceptions of the oft-misunderstood term, “maneuvering speed,” and explains the implications for pilots of homebuilt aircraft.
Affordable! Fast! Too Hot!
Marketing departments willfully ignore the difference between objective and subjective statements, especially the marketing...