Rounding a Hole

1
Cut large holes in thin material freehand.

Diodes, Backward and Forward

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Let’s talk about what makes a diode—what the physical makeup of a diode really looks like on the inside.

Accessory Stacking To Mill an Arc

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Securely holding small parts for machining is always a challenge. The solution may be to use a work-holding gadget such as a pin vise...

Failed Ignition System

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When it comes to aircraft ignition systems, I’ve always favored having one magneto and one electronic ignition system (EIS). Many dual electronic ignitions require...

What About an Ultralight?

2
Ever consider what it might be like building an ultralight?

Scratch Build a Kit?

1
I want to present a strategy and method to get a few more prospective airplane builders off the fence and into the workshop. This...

Driver Upgrade for Avionics Trays

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Installing small screws into the tight confines of a deep avionics tray is a challenge that can be both annoying and frustrating.

Franklin vs. Edison et al. and Marconi

2
A word we use rather flippantly when perusing electronic circuitry—ground.

ERCuSi-A Silicon Bronze, the AlternaTIG Option

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Last summer I had the chance to get some hands-on experience with TIG brazing. Other than a YouTube video or two, I knew next...

Ernie’s Room and Board

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Way back in March ’23 (deep in snow here), I gave you the problem of Ernie, who needed a flashing light to see when...

In Case You Missed It

Bandsaws—Cutting Through the Clutter

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Bandsaws—cutting through the clutter.

Effect of Fairings on Speed

4
Compared to the high cost of horsepower, reducing drag is a much less expensive way to go faster.
Aircraft in flight [Credit: Jim Barrett]

Firecrown’s Aviation Group Charts Course for 2026; Ryan Ewing Named Group President

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Brand refreshes, new digital platforms, and expanded editorial investments follow a transitional year for the company’s aviation portfolio.

Van’s RV-15 Update

5
What’s happening with Van’s high-wing STOL aircraft?