Shocked by the price of servos, Paul Dye decided to fabricate an aileron trim for his RV using compact linear actuators intended for use in radio-controlled models and robotics.
Two builders helped each other build RV-9As, each employing significantly different outlays of cash. The results are impressive in both cases, but for different reasons. They help us ponder the question as we build: “What is something worth?” By Marc Cook.