otnmbrd wrote:
DANG ! This is interesting for a number of reasons:
A. You experienced propwalk with a Kort nozzle.
B. You experience it at depth but not at the surface.

A: Which leads me to believe that the force, while limited, is also due
to the precessional force created by a rotating mass, perhaps excited by
pitching forces resulting from hull shape in the case of a submersible.

B: There are far more stronger forces acting on a submersible on the
surface.

Rick