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
Design Process: Airfoils
Once the size and planform of the wing have been determined, it’s time to choose (or design) the airfoil.
Wind Tunnel
It’s all about lift, and knowing your airplane’s lift margin at a given airspeed tells you what the airplane is capable of.
Viewfinder
Mark Cook revisits George Happs RANS S-19 project to see how the Rotax 914 installation has panned out.