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Dennis Douglas

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What’s in Your Hangar

The FAAs Order 5190.6B has stirred ire in the hearts of many pilots, developers, aviation-related business owners and airpark residents who see further enforcement of land-use restrictions as unnecessary meddling by the feds.

In Case You Missed it

Experimotive

Bud Warrens Geared Drives has entered the firewall-forward business with promising results thanks to a new PSRU. By Rick Lindstrom.

2019 Engine Buyer’s Guide

In search of the good stuff.

Vortex Generators for Cooling

A simple fix reduced CHTs in a Velocity by 55 degrees. By David G. Ullman.

Prop Gyro

A rotating propeller acts as a gyroscope.