Used to ride one of these elevators, which would stall and stutter and generally freak out anyone who rode it regularly. But this, from the article (which I rem

Used to ride one of these elevators, which would stall and stutter and generally freak out anyone who rode it regularly. But this, from the article (which I remember reading way back in 2012 when it was first posted here) is always what I thought about when I was in it > If a winding drum’s control system fails, its motor can drive the elevator through the roof, according to San Francisco–based elevator consultant Richard Blaska.