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Phillabaum Helicycle

Safari 500

In Case You Missed it

Down to Earth

After a reluctant transition from paper to pixels, Amy Laboda explores the options available in digital-charting apps and how she arrived at a decision.

Listen To the Engine

This month’s column is the start of a new series based upon feedback from...

Wind Tunnel

The author explains how the characteristics of an airplane affect pilot ability to complete tasks, response factors, stability and damping of the airframe to changes in angle of attack, basic stability, trim, control forces, and control power. He also addresses the controversy behind the design of airplanes, their characteristics and the resultant suitability for various types of flying;

Return of the Turbo-Compound

Everything old is new again. Paul Lamar looks at the turbo-compound engine, developed in the post-WW-II era. Thrown over for jet engines, it may yet hold promise today as we search for more energy efficient ways to get the most out of increasingly expensive fuel.