Bob Talir is a private pilot and retired engineer with an M.S.E.E. degree in control systems. He worked on the Navy F-18 flight controls including the autopilot and automatic carrier landing system. Bob built and is flying a Flightstar II ultralight trainer. He is currently building a GlaStar that is nearing completion.
The diagnosis of pitch sensitivity problems boils down to one of two things: too little static margin or control system problems. This month we discuss how to modify the airplane to fix them;