[bongodriver]

Originally Posted by Redroach

yes, bongodriver, good news, we're all positive now about that fact, and how slats work (and were for some time, I think.).

Back to my original question: I tested a little bit in an E-4B and, besides seeing the slats actually moving for the first time, I noticed (subjectively, of course) a somewhat improved handling at slow speeds. So, to answer my own question: Yes, perhaps the LES are probably working now. If they are properly tuned to reflect RL-Performance, I do not know, however.

You don't need to take my post personally, I'm sure you can see I'm explaining it to some who don't understand these things, as to your original question it has already been shown that in order to find out if slats are working you need to compare it against performance without operative slats.....how to do it is the tricky part.