Dear Matthias,
Thanks a lot for answer !
So just now I can see more about this detail:
http://109lair.hobbyvista.com/techre...ng/f_flaps.htm
other views:
http://www.warbirdinformationexchang...36920&start=30
At our area (Pommeren) we have a lot of places with wracks - more of them from JG3

so thanks for support.
Kris