Then, if I may say so, you and sicklick give me the impression, maybe wrong and if so I apologise, , that you have little understanding of translational lift, (variation of lift as a function of airspeed across the disc which is why a heli needs most power in the hover on a calm day) ) retreating blade stall and the control and stability of helicopters. If there is ONE type of machine that I believe (and know from experience albeit many years ago) needs VERY careful handling when turning downwind, then a low powered helicopter at low speed near the ground is IT. A myth in these circumstances? I am not sure it is.

If you really want to learn about energy management in any flying machine then you can do little, no, better than try operating a low powered helicopter on a hot day ! Come to think of it almost any helicopter can be challenging at low speeds and near its performance limits.

Regards,

David.