Original Message

>>>>>>>>>>>>>>>rotor rpm decreases to the point that the needles join

Horse hocky. 

If you increase pitch and join the needles at IDLE before you are on the ground, you will wreck the aircraft.   Try it.  Post the video on youtube.

My first auto was in 1977 and last was in 2013.  The one that was due to an actual engine failure was no different from the other several hundred.