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.
In Case You Missed it
Around the World and Over Both Poles
Sky Polaris-a historic flight in an RV-8, part 1.
News from E-Mag, Levil, and Sensenich
E-Mag offers an electronic mag for the IO-540, Levil has a PC-based EFIS, and Sensenich introduces a composite ground-adjustable prop for the RV crowd. Edited by Mary Bernard.