![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")
The 13 Command(ment)s
For most people, 10 are enough. Laying out a PC board, you’ve got a few more.
Remember, now, I’m trying to show you the basics...
Cabin Air
Do not use the engine compartment as a source of fresh air or heat, as there is the potential for carbon monoxide poisoning.
Countersinking for a Flush Fastener Fit
In last month’s column, we talked about the procedures needed for installing flush rivets and screws in our kit aircraft projects. As builders we...
Oil Filter Slicer-Off-Er
The process of inspecting an oil filter is not complicated. Slice the top off using a filter cutting tool. Extract the cartridge that holds...
Teflon Tape
Do not use Teflon tape on any fuel system connection. It can deteriorate and leave particles and remnants, which can clog the fuel system,...
Dimpling for Beauty and Speed
Each time you install a fastener on your airplane kit, consider whether the head of that fastener (rivet or screw) should protrude above the...
More PCB Fun
OK, this one is the witch of the bunch. You’ve had two months to download and read all the instructions for Circuitmaker/Traxmaker, and I’m...
Hankering for an Anchoring
Most airports provide provisions to tie down transient aircraft. I’ve seen everything from loops of rebar sticking out of asphalt to cables and ropes...
Don’t Get Bent Out of Shape With These Pliers
As a builder of a metal aircraft kit, you no doubt have heard the term “fluting” and fluting pliers. Let’s examine fluting pliers and...
Murphy and the Flight That Almost Wasn’t
Most of us fly airplanes for fun. I would even venture to say that all KITPLANES® readers understand the fun side of aviation, especially...
In Case You Missed It
Engine Beat
How are your cylinders doing? A differential compression test can uncover any problems-almost before they start. Steve Ells explores what the results mean, and what to do about them.
The Hummingbird Airworthiness Inspection
A DAR walks through the paperwork and practical steps needed to get an Experimental helicopter inspected—and reflects on what it means to finally fly.
Build Your Skill: Composites, Part 5
In this series installment, author Bob Fritz takes you through the basics of building a carbon fiber tank, including measuring, layout, patterns, cutting, epoxy-flox application, sanding, sawing, epoxying and finish work.