Lycoming offers zero-time, factory-rebuilt engines to pilots and owners for the cost of a factory overhaul, in exchange for a first-run core; RPX Technologies introduces the simple and straightforward DynaVibe prop and rotor balancer. Edited by Mary Bernard.
Dynafocal, conical or DIY? Some engine-mount decisions are dictated by your choice of engine, but there’s more to it than that. Dave Prizio walks you through the process of mating engine to airframe.