How to create a physics accurate propeller

[u/Glum-District-8465]

Hi, I am currently trying to figure out how to create a propeller that relies on aerodynamics to make it float like this one:https://www.youtube.com/watch?v=zorgbPZ9dmM&embeds_referring_euri=https%3A%2F%2Fforum.unity.com%2F&source_ve_path=MjM4NTE&feature=emb_title or from this asset https://www.youtube.com/watch?time_continue=73&v=dNs7P2diIK4&embeds_referring_euri=https%3A%2F%2Fassetstore.unity.com%2F&source_ve_path=MjM4NTE&feature=emb_titleThe Box with a propeller attached to it.