Uppo...
Those were called if memory is not fading 140AY selectors. You had wings held up by coils that would drop once you dropped HX on the SLSs and allowed the contacts on the leveling wings to take over the function of HX, HSL, TL, and direction..Had stopping lugs and Dogs like a 6850, but the wings were different rather than a leveling ring with contacts you had wings with roller actuacted contacts....
I was actually in this job about a year before the buildings fell. Swift CEC had sold a modernization at the building, and the building at that time was being maintained by ACE elevator, after the Big O, lost the contract to them. The mod was nearly completed when the attack occured. Machines were 339's (I believe) I've only seen one that size at that's at the Stratosphere in Vegas. I took care of several of the little brothers of this which had the 269 machine...(The 269's would run 1400 FPM, with a 6500. LB capacity cab. ) Yeah these were big machines.
From what I remember of the job it was originally B base Otis control. (TTL logic) in the dispatch. Nand's, And's Nor's and Or gates. If it had touch tubes they called it A base A little different than B base but not much.
And if I remeber correctly this job had a specialized circuit that acutall created a close loop on the generator field...
But you know...
Memeory's the 2nd thing to go...
I was actually luck enough on my visit to snag a set of the original Otis prints, that I have somewhere stashed in pile of junk I call an office. The ACE guy that was putting the Swift stuff in gave me a set saying they wouldn't be needing these anymore. Course it wound up they didn't need the Swift stuff either.
Interestingly enough, Big O had the job under contract during the 1st attack. Many brave souls, spent days on those 2 powerless jobs, floating passengers out of the elevators, working to restore some kind of service for emergency workers. (The bomb in the garage took out a good portion of the building buss)..
A few guys for the Big O actually recieved citations from the city and the state for heroism and bravery. I've hear stories of helicopter rides to the roof etc....
Of course in the final attack none of this was possible as the buildings were evacuated..
I'll dig around and find those prints..I remember it was a super cool installation, and I was fortunate enough to have seen the machine rooms but the hatch as well...
Made my blood boil when I watched them go down.. Still does..
