Caterpillar provides some really neat small scale flywheel UPS - used in places like hospitals where it would be very bad to lose power. They last long enough for the diesel gennies to start up.
Caterpillar provides some really neat small scale flywheel UPS - used in places like hospitals where it would be very bad to lose power. They last long enough for the diesel gennies to start up.
I saw these in the basement of a data center about 11-12 years ago. Most steampunk thing I've seen in real life.
Here's a bigger one at ASDEX (a fusion experiment):
https://www.ipp.mpg.de/4244138/generatoren
I've worked on mine sites that use this as well.