> The evidence confirms that the emergency system installed in the flywheel located at the top of Calçada da Glória, tripping the power switch to the cabins in the event of a loss of cable tension, worked as intended, which would result in the immediate and automatic application of the pneumatic brake in each cabin.

> At this time, it has not yet been possible to conduct verification checks to confirm whether the system for automatically applying the pneumatic brake to the cabins following a loss of cable tension in the trambolho worked.

The cable breaking (or in this case, going loose at its attachment point) should be the detected at the flywheel area at the top, and result in power being cut to both cabins — this happened. This should result in pneumatic brakes being applied at the maximum force — it's unknown whether this worked.

> However, regardless of this, the evidence indicates that the air brake and the manual brake were quickly applied by the brakeman of cab #1, but that in the current configuration, the brakes do not have sufficient capacity to stop the cabins in motion without their empty masses being mutually balanced by the connecting cable. Therefore, the existing brakes does not constitute a redundant system in case of a failure in the connecting cable.

Irrespective of the automatic system, the brakeman immediately applied the air brake and manual brake. Then: in this configuration the brakes are not sufficient and are not a redundant system.

One possible interpretation is that the brakes when manually applied are insufficient to stop the vehicle when the counterweight provided by the cable is absent.

Another is that the manual brake is insufficient, but the pneumatic/air (assuming those are the same) brake should be at maximum force, but for some reason, it wasn't applied at maximum force by either the brakeman or the automatic system.

> One possible interpretation is that the brakes when manually applied are insufficient to stop the vehicle when the counterweight provided by the cable is absent.

> Another is that the manual brake is insufficient, but the pneumatic/air (assuming those are the same) brake should be at maximum force, but for some reason, it wasn't applied at maximum force by either the brakeman or the automatic system.

Agree and I would add a third possibility:

The delay between detection and automatic full brake application, or by the cabin driver was long enough to allow enough speed/inertia to build, beyond the threshold until which the brakes would actually make it stop.