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Discussion (18 Comments)Read Original on HackerNews
A garage I went to subscribed to a trade magazine for towing and recovery companies and left the issues in the waiting room. Sure enough, they had a recovery of the year type of award.
https://awardsawards.conferenceawards.co.uk/
The photo of one of the brake assembly components mounted to a welded tubular skid, bolted to a large structure of I-beams, bolted to another I-beam skid which is bolted to the floor, is tickling me as slightly humorous.
For certain values of "I", and depending on the baseline cost of operating an elevator!
Turns out they are replacing the ancient non-standard stuff with modern standard stuff. How the ancients did it before we knew better is interesting - and you can't fault them for not knowing what we know now.
By contrast, the web design is overpriced, hard to use, non-standard garbage. I'm sure that will win an aware despite being an example of how not to do web pages.
"Power consumption is down 45% - 50% annually."
Well is it 45 or 50? Is this a measurement or prediction or a random number? From an engineer or marketing? If prediction, why not saying so? Is this a range for several years depending on elevator usage?
Things like this irk me a lot.
But my best guess is they simply _cannot know_ because the usage patterns of the new elevators will be different from the old elevators based on dispatching and sequencing and call systems. In other words, even if they know the exact consumption of the old system, and even if they expect precisely the same number of passengers per day, the _actual operating cost_ will depend on who arrives in the lobby, at what time, destined for which floors, and all other traffic patterns throughout the year.
I wouldn't be surprised if most of the savings was the new lights are LED while the old only incandescent was available - this is just speculation though, I have no idea. Every gear and every stretch of the ropes cost a little bit of efficiency and the modern system has less of those.
Up and Then Down (2014) By Nick Paumgarten https://www.newyorker.com/magazine/2008/04/21/up-and-then-do...