three years later

This seem to be the idea Vincent Fleury have of the L2/R2 vortices!

They migrated from one stage of development to another, don’t look very much as any vortex I knew about and certainly aren’t any of the 2D vortices Fleury was talking about, rather a lousy 2D projection of wishful thinking.

In the mean time, people do things in a much better way, without evidence of the L2/R2 stuff:

Which bring us back to: