109E3 has no slats, that is right?

[Kurfürst]

Originally Posted by Sutts

I thought they were simply spring loaded and extended automatically when the air pressure reduced at lower speeds. What controls are we talking about here?

No springs at all. Its just there on roller slide or, in case of before the late 109F, a swing arm. The slats are simply sucked out into their open position by the airstream pressure due to their aerodynamic form.

You can actually push them in or pull them out with a finger on the ground.