Chronology | Current Month | Current Thread | Current Date |
[Year List] [Month List (current year)] | [Date Index] [Thread Index] | [Thread Prev] [Thread Next] | [Date Prev] [Date Next] |
In the "energy" exchange on this list, there has been a reference to one/snip/
elevator gaining energy while another elevator is losing energy. I don't
have statistics to support this, but I would guess over 99% of elevators do
not work this way.
Cable elevators have counterweights. If two elevators served as the
counterweights for each other, they would have to run coupled... each
stopping when the other stopped.
Also, for short buildings (2 to 5 floors) the elevator is often hydraulic/snip/
and doesn't have a cable or counterweight.
I know this is nitpicking
Michael D. Edmiston, Ph.D.