X-Air LLC (XAir)

A faster way to gather data over a wide range of conditions.

Builders share their successes.

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.

Editor-in-Chief Marc Cook offers an explanation of how the annual Aircraft Buyer's Guides are assembled, and his attempts to enhance the usefulness and relevance of the information provided.