Probably. I do know that it should lower the airspeed at which they take over the yaw function. But at very low forward speeds they are not going to do much, it will be up to the tail rotor. In fact they might be detrimental in maneuvering at low speeds in cross-winds.
Thanks for the comment.
While I guess one plane (the Constellation?) benefited from a “triple tail”,
the triple tail on the Lakota sort of reminded me of the six-bolted
air cleaner on a friend’s old Fiat (128?).
Safe, secure, and totally a waste of time when servicing.