I researched this quite heavily, and yes, unfortunately it’s a non starter. Even under perfect conditions a small (say 6" max radius) blade wouldn’t generate a whole lot of power.

Complete and running McLaren M6 GT and a part build GT40 produced from the original tooling.

Gran Fury does seem to work better

Finnish for he and she are the same word - hän...

Nah, soft and quite often sprung at the Base.