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Tim Kern

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Engine Beat

Exhaust systems do more than just get air into and out of aircraft engines. Exhaust system design, in terms of exhaust pipe length, diameter and tuning, affect the efficiency and performance of the engine, for better or worse.

In Case You Missed it

Aero ‘lectrics

A brighter approach to lamp dimmers.

Wind Tunnel

Recently, there has been increasing interest in the efficiency of all vehicles, including airplanes. Designers are seeking to make airplanes that perform better and burn less fuel. Barnaby Wainfan takes a close look at the aerodynamics and mathematics behind this deceptively complex process.

Build Your Own Leak-Down Tester

Converting a Harbor Freight compression tester for aircraft engine use.

Completions

Builders share their successes.