Negative effect

Weight of cabin: 23,900 lb. x sin 78 deg.9' (incline of upper run) 23,390 lb.

Live load: 40 persons @150 lb. = 6,000 x sin 78 deg.9' 5,872

------ -- 29,262 lb.

Elevator Systems of the Eiffel Tower, 1889 · 第 21 / 27 题