If you’re building a Glasair Sportsman, you have the choice of a 180-HP IO-360 or the beefier IO-390. Which engine is best? It depends? In this video, Kitplanes Magazine editor Marc Cook analyzes the pros and cons.
After studying Experimental aircraft, the National Transportation Safety Board developed 16 recommendations. Roy Beisswenger outlines the good, the bad and the still-needed.