![SR-1 cowl being integrated with spinner and cooling ducts. The cowl is assembled to itself/to the fuse primarily with countersunk #8 screws. [All images credited to Eric Stewart]](https://www.kitplanes.com/wp-content/uploads/2026/09/1KP.jpg?w=534&h=462&crop=1 "Custom Cowl Fabrication: Building the SR-1 Composite Cowl")
![Trimming composites gets the full PPE job. [Credit: Eric Stewart]](https://www.kitplanes.com/wp-content/uploads/2026/07/7-2.jpg?w=265&h=198&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")
Angle of Attack vs. Airspeed
Angle of attack indicators have been used by the military and airlines for years and have made their way into general aviation as well,...
Chemysteries
All machined things (parts, tools, etc.) eventually have to be “finished” in one way or another. This may include tumbling, sandblasting or burnishing, but...
Solder It Up
We are almost to the end of our romp through the solder pads. We’ve learned about the solder itself, and now it is time...
One Step Drill and Tap
We use quite a few small machine screws in our homebuilt projects. These small screws might be found, for example, holding the instrument panel...
Bleeder Coupling
Bleeding hydraulic brakes of trapped air is something everyone who builds or works on airplanes eventually has to do. The process is fundamentally simple....
DIY Compact Blind-Rivet Puller
While building my Panther tail kit, I came upon this note in the assembly manual in the elevator joiner photo: “This rivet is impossible...
A Soldering We Shall Go (Part 2)
When last we left our discussion of soldering, we touched briefly on each of the basic topics concerning joining electronic parts together using a...
The Inside Corner on Reducing Stress
It is common practice for builders to cut openings in aluminum aircraft structures. Popular examples include creating inspection or access panels in the wings...
In Case You Missed It
Cylinder Hones and Honing
Honing and lapping are similar inasmuch as both employ abrasive action to remove metal...
Design Process: Landing Gear, Part 5
For the past few editions of Wind Tunnel, we’ve been exploring the factors that...