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Tim Kern

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

A Very Special Oshkosh

This year’s AirVenture set records for attendance, so says EAA. I learned this after...

What’s New

Strut camera mount from Aircraft Spruce. By KITPLANES® Staff.

Wind Tunnel

Simple aerodynamic improvements with tape.


”Experimental Two Sierra X-Ray,  Oshkosh Tower, you are clear for touch-and-goes on any runway....