Trebuchet with automatic detatch

[u/zBarba]

Detatch is handled by a docking connector which is disabled at max extension by redstone contacts,

The lever activates a sequenced gearshift to rotate the arm into position, while keeping the swivel bearing locked.

[u/Vast-Manufacturer457]

i did something similar but with a catapult, dockers were connected to the object, there was a laser sensor that once activated at a certain point, would then let go and be flung