i dont know much about science so this idea might seem very stupid but here goes if you fire a bullet in space it will never stop on its own accord,so if electricity is created by turning ,why could you not be able to build something like a giant disc and because no forces act upon it, it wont stop i remind you again i am a nobody in physics i had to check the name of the forum section to spell it
Extracting electricity from a spinning disk is a good idea for energy storage, but unfortunately, there is no way to do this without slowing it down. This idea has been proposed before. The idea was to place a large carbon disk suspended on an air bearing underground, in case it disintegrates, and use it to store energy from an unreliable source, like solar or wind power.
While its true that in a true vacuum, with no outside forces, intertia says that something set spinning would spin forever, your idea will not work. The reason is forces. When you try to take a spinning disk and turn it into a generator you end up exterting electromagnetic forces on that disk. This extracts energy (kinetic) from the disk and puts it out in the form of electricity. Eventually the disk would stop turning altogether. -AntonK
If you are considering space objects, why not use a natural generator, like the one between Jupiter and Io?
When you extract energy from ANY orbiting body, eventually that orbitting body will eventually degrade its orbit due to the extraction of kinetic energy. Thats not to say it might not be a bad idea. However, now we're in the realm of planetary engineering. Have you a design for such a device to extract energy from an orbiting body? -AntonK
I think all he meant by unreliable was that we do not control when and where we can harvest the energy as we can with coal,oil,nuclear. -AntonK
