Crab: Morning to you, hope you're enjoying your new job!
I'm moving on also......still aviation.
WRT your last comments: don't forget - in FDVRS the tail rotor could and can get caught up in dirty air from the main rotor. ALSO as and when Nr decays during VRS, this drags the TRE by a disproportionate amount thus reducing its effectiveness even more.
Do not rely on the TR helping anyone out during VRS
This so called " Vuichard Recovery Technique" seems only to be relevant to recovery during Settling with power and not FDVRS, I would suggest...............
The last thing one would want to do during VRS is to pull FULL collective power
