Hi, iam Vivian Jones, Have a happy day.
Do Hoppers Keep Chunks Loaded? [Solved]
Basically, it works as you have said, a long loop of hoppers will keep a chunk loaded, but the hopper chain must start in the spawn chunks. You can use chains of hoppers to basically extend the area of chunks at spawn that is kept loaded.25 Jul 2013
Permanent and Remote Chunk Loading with Perma-Loader in Minecraft
While figuring out how
Minecraft 1.18 Chunk Loader (Self Fixing) Tutorial
0:00 Introduction 0:47
1.19 Chunk Loader
A change to droppers makes simpler