Reconstruction of mechanical logic gates and memory element of the Zuse Z1

Previous discussions around the Z1: - https://news.ycombinator.com/item?id=10107955 - https://news.ycombinator.com/item?id=19095871 (Z1 and Z3 related)

Discussions around the Z3 (electromechanical version of the architecture): - https://news.ycombinator.com/item?id=27544583 - https://news.ycombinator.com/item?id=30145897 - https://news.ycombinator.com/item?id=27134122 - https://news.ycombinator.com/item?id=11682343

Lovely reconstruction. I still wonder how well this all worked in practice. There seems to be a lot of friction and possibility for lock-up and wear.