Flight Control System Operation Electrical
TTP B1----- ATA27A Cessna 172 B2-L3 Flap- control system has an electric motor and transmission assembly, drive pulleys, push-pull rods, cables, and a follow-up control. Power from the motor and the transmission assembly goes to the flaps by a system of drive pulleys, cables, and push-pull rods. Electrical powe r to the motor is controlled by two MSW mounted on a floating arm assembly, a cam lever, and a follow-up control. As the flap control lever moves to the necessary flap setting, the attached cam activates one of the microswitches, and that activates the flap motor. As the flaps move to the necessary position, the floating arm is turned by the follow-up control until the active microswitch clears the cam. The circuit breaks and the motor stops. To move the flap in the opposite direction , the control lever is moved in the opposite direction....