The Australian developers of the Jabiru engine wanted to build a sport airplane. But when their original engine choice went off the market, they developed its replacement, too. By Dave Martin.
Graphene “paper,” drag-racing electric motorcycles and hybrid aircraft were hot topics at the Electric Aircraft Symposium in Santa Rosa, California, and illustrated the progress being made in alternative energy sources. By Dean Sigler.
While certified airplanes have to meet Part 23 requirements for positive dihedral, amateur-built airplanes are exempt. Ed Kolano looks into the details of dihedral, and how you can use it to your airborne advantage.