Tim Kern
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
Editor’s Log
The free flight of birds inspired the first forays into manned flight—a perfect example of the concept of biomimicry. Editor in Chief Mary Bernard sees a similar resourcefulness in plansbuilders who look at a set of drawings and create an airplane from scratch.
Build, Test, Refine and Fix—Part 5: High AoA Pitch Characteristics
Evaluating pitch stability, stick force gradients, and pitch-up warnings in stall testing to ensure safe handling at high angles of attack.