You wheel storage system lose energy due to gravity?

magnetic power storage Discover how to reduce your bills: query Enio M : Do program energy storage flywheel drop due to gravity Hello, I was asking yourself, I shed energy wheel energy storage due to gravity? If yes, how? I know that the loss due to the resistance of the air (no vacuum) and bearing is anything critical? What if you adjust these magnetic bearings, put it in a vacuum chamber and the float magnet with you, it will nonetheless drop power due to gravity and rotation of the Earth

Tesla's Generator