In Case You Missed It
![[Credit: AdobeStock]](https://www.kitplanes.com/wp-content/uploads/2026/04/AdobeStock_1172095184-324x160.jpg "Editor’s Log")
Switch Blade
Weighing just 11 pounds for a hub and three blades, the new carbon-fiber prop from Whirl Wind Propellers improves the performance in both climb and cruise on a RANS S-7.
Alternative Energies
Dean Sigler checks in on the Green Flight Challengers of 2011 who didn’t make it to the competition to see what they’re up to now.