Which control surface is driven by push rods?

Which control surface is driven by push rods?

• A. Aileron and Elevator
• B. Rudder
• C. Flaps
• D. Spoilers

Answer: (A)

Push-pull rod linkages provide a direct, rigid connection from the cockpit controls to the control surfaces, transmitting the pilot’s input with minimal slack. The ailerons and the elevator use this type of linkage so their movements are quick, precise, and closely follow the stick and yoke inputs. The rudder, flaps, and spoilers typically rely on cables or powered actuators (electric or hydraulic), so they are not driven by push rods in the standard DA20-C1 setup. Therefore, the surfaces driven by push rods are the ailerons and the elevator.

Push-pull rod linkages provide a direct, rigid connection from the cockpit controls to the control surfaces, transmitting the pilot’s input with minimal slack. The ailerons and the elevator use this type of linkage so their movements are quick, precise, and closely follow the stick and yoke inputs. The rudder, flaps, and spoilers typically rely on cables or powered actuators (electric or hydraulic), so they are not driven by push rods in the standard DA20-C1 setup. Therefore, the surfaces driven by push rods are the ailerons and the elevator.