I mentioned this on a different topic, but Rotorque mentioned throttle control in autorotation on the previous page and so I thought I'd mention it again. In singles with throttle on the collective, reducing pitch but leaving the throttle alone and Nr in the normal range may produce just the right amount of torque to balance the transmission bearing drag at normal auto airspeed. However, during the collective application at the end, throttle will have to be held at idle to prevent the correlator from sending the power back up, and in the case of TR failures, this will leave a healthy yaw to contend with as the transmission bearing drag becomes unopposed. I suppose that a near zero speed landing would be something to consider in this case, if possible.