![[Credit: Van's Aircraft]](https://www.kitplanes.com/wp-content/uploads/2026/07/IMG_5238.jpg?w=324&h=160&crop=1 "Part 22 Gets Real: Van’s Delivers the First MOSAIC-Certified Airplane")
In Case You Missed It
Engine Beat
How are your cylinders doing? A differential compression test can uncover any problems-almost before they start. Steve Ells explores what the results mean, and what to do about them.
Building as a Group
The Independence Five is an Oregon-based group building a bevy of DH.2s. Dean Sigler explores their approach to building and reports on how the project is progressing.
Alternative Energies
Sun n Fun 2011 opened with stormy skies and a tornado, but the Green Space area offered a ray of sunshine at the rain-soaked event. By Dean Sigler.
Clattering About Diesels
DeltaHawk’s DHK180 engine has received its FAA certification. Yes, that’s the same inverted-vee, four-cylinder,...