wayne, please read what you wrote and you will find you are saying exactly what
I am saying that you are disagreeing with so strongly. the boat MUST be
**moving** for the rudder to have an effect in reverse.

please read what you wrote again.

When the sternway becomes sufficient, the
rudder exerts

Absolutely right.

give it a burst
of power in reverse ... get it
moving sternward at a knot or two,

let the boat coast backward on momentum while
maneuvering with the rudder.

Once the boat is moving the keel and
rudder take over