the fact that the combined strength of two humans would not be enough to _break_ the manual trim system does not tell us whether that combined strength would be

the fact that the combined strength of two humans would not be enough to _break_ the manual trim system does not tell us whether that combined strength would be enough to _turn_ the trim wheels at all. https://news.ycombinator.com/item?id=19575318 https://news.ycombinator.com/item?id=19575318 "option 2)" (on this same page) refers to a situation where a "dive" could be executed in a situation where manual strength is not enough to trim the aircraft.