Rotordog,
I'm with you when you refer to aft cyclic limits when hovering downwind with teetering rotors. Been there, done that, and even made the video, literally!
However, I think you misinterpret what TC was getting at when he referred to a tailwind on the stabiliser. If, as in a 206, the wind gets under the stab it will actually generate lift, albeit small, and this will reduce the overall power required to hover with a tailwind. I think what TC was talking about (correct me if I'm wrong TC) was when a tailwind acts on the top surface of a stab and thus produces 'negative' lift thereby increasing the power required to hover.
Not being qualified on the 206, just wondered what the out-of-wind hover limits are? 30 knots downwind seems a bit high for an old tech teetering rotor system.
Droopy,
Would the strake on the tailboom of the sea-king cause the effect in the graphs you describe? ie. In still wind the strake is acting to full effect having max downwash. Whereas in a light wind, less of the downwash will be acting on the strake and therefore the T/R has more work to do. Just my thoughts.
J