This double gyroscope balancing monorail was able to lean into corners because of its double gyroscope configuration.
(youtube.com)https://youtube.com/shorts/A502C5G86jMFor more details look at this video which explains how the double gyroscopes that are counter rotating work. The key here is it's not a single gyroscope like you usually see in motorcycle designs of today but it's a double gyroscope
https://youtu.be/kUYzuAJeg3MThis guy is built a toy size model of it and watching it run is pretty amazing because it turns a very tight oval while balancing
https://youtu.be/jGYXJjRfgTMSome more details on several similar systems.
https://archive.md/uDcrW 
