The “Rope A Dope” Trick To Avoid Replacing Cylinders

1
It’s never a good sign when during your aircraft annual inspection the mechanic calls to report an issue. It’s sort of like getting a...
Baffle duct on Lycoming Thunderbolt 36 engine

Make a Custom Baffle Duct

3
Fiberglass your way to a perfect shape.
Drill Guide

Companion DIY Drill Guide

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Build a simple aluminum jig to drill AN bolt threads for safety wiring—perfect for when your hardware bin is missing just one critical part.
radius washer

Nuts. What to Do When Thrown a Curve

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When fasteners crowd a radius or bend, radius washers, blocks, or spot facing can solve the problem—without compromising strength or workmanship.
Aircraft Jacking Solutions

All Jacked Up

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Aircraft Jacking Solutions introduces ease and stability to lifting an airplane
case parting plates

Case Parting Plates

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A low-cost, effective method for separating stubborn Lycoming O-290 case halves using homemade parting plates and basic hardware.
Stainless Steel Fuel Lines

Fabricating Stainless Steel Fuel Lines

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Hands-on techniques for reliable stainless fuel lines
When possible I pre-polish skins, like this Onex vertical tail skin, through Nuvite grade C prior to assembly. Polishing tools

Taking a Shine To 6061-T6 – Part 2

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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.
oil cooler shutter

Oil Cooler Shutter

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Ditch the duct tape— an adjustable fix for oil coolers.
cad for the home shop

CAD for the Home Shop

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Explore how EAA members use Solid Edge and 3D printing to design, model, and build aircraft parts—affordably and efficiently with modern CAD tools.

In Case You Missed It

Top Overhaul

3
Gray oil is good, but what about black oil that looks like tar?

Light Stuff

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Dave Martin introduces us to the Gobosh factory-built Light Sport Aircraft (SLSA) from Poland. Positioned at the luxury end of the LSA spectrum, there are two models: the all-metal G700S and the composite G800 XP, each of which includes standard six-pack instrumentation and leather seats.

Build Your Skills: Composites (Part 7)

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Author Bob Fritz explains how to set up a vacuum-bagging operation in your home shop, using readily available equipment and supplies, which will get you great results on small- to medium-size parts. The object is to mechanically squeeze out excess epoxy for a good-ratio part with maximum weight savings and strength.

Building the ‘Beater – Part 5

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Bad weather, great progress.