Interactive drawings built from the EC225 LP T1 training material – the autoflight syllabus and chapter 27, Actuators detailed functioning. Each one redraws the manual figure and lets you move the mechanism through the cases described in the text.
Servo-valve, distributor in its stirrup, power actuator and by-pass actuator. Without and with hydraulic assistance, and the five steps of an AFCS order.
Manual 1.10.1 to 1.10.5, pages 27-40 to 27-57 OpenThe smart electro-mechanical actuator: both ARINC 429 lines, the three comparators, the validation gate and the 28 V supply, with the rod drawn where the manual draws the motor box.
Syllabus 17.9 – operating principle and operation in the event of failures OpenOutput shaft, shear pin, the force feel spring between its two plates, the microswitches, the RVDTs and the whole drive train. Automatic trim, a pilot take-over, trim release, the unsupplied case and a sheared shear pin.
Syllabus 17.10 · manual 21-4.6 and 27-1.10.4 OpenFor instruction only. Drawings redrawn from the Airbus EC225 LP training manual for teaching purposes.