The Experimental Aviator

Countersink Microstop Modification for Tight Spaces

Create a useful tool for countersinking rivets in tight spaces.

When Does the ’90 Percent’ Phase Really End?

Finding motivation when there is no end in sight.

Shop Tip: Cowl Screw Organization

A simple and brilliant way to keep cowl hardware from getting lost.

On the Record: Fisher Celebrity — Indiana

In-flight breakup of an experimental biplane.

Protecting Your Skin From Composite Dust

Tips for safely handling fiberglass and carbon fiber.

Countersinks: Styles and Use

Selecting and accurately using countersinks for aircraft building.

CubCrafters ULT: A Turboprop for the World

Flight review of the MOSAIC-compliant backcountry turboprop Cub.

Aviation Diesel Engines

The mechanics, benefits, and tradeoffs of burning Jet A fuel instead of avgas.

Simple Lifter Bleeding Tool

A DIY solution for a common Lycoming engine maintenance headache.

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Smart Plane Shopper: Extinct Parts Make Hangar Queens

Consider fleet size and complexity when shopping for used planes.

Engine TBO and Insurance

Engine ops over TBO should matter none for insurance.
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