Rotor Blade
The Rotor Blade is the last component of your Rotor, but it's the one that will make it spin.
A Rotor Blade can only be placed perpendicularly to a Rotor Shaft block or beside an already placed Blade, moving away from the shaft block.
Mandatory: yes
Valid positions: inside the Turbine, connected to another Blade or a Rotor Shaft block
Variants: all
Graphical interface: no