Send me your Email contact to [email protected] and I can send you a small document which will explain. It would be much easier than re-writting a description of the block.
I sent a e-mail to your e-mail address for my question. I wonder, have you seen? I wait to for your reply. If there is no e- mail, My e- mail address [email protected] (Gas turbines have F9E and 9001e rotor and Mark V control)