IFMU,
It really depends on the design constraints, you can make it do anything.
Grav, you hit the nail on the head. The typical helo servo is working like a dog in the 5% region around its cruise setting, and it can really take a beating there. A FW application is more routine, IMHO.
That being said, I diid not know that the 787 was going pure electric. Dave got a reference?
Thanks
Nick