Z
You already found out that if you run full throttle + WEP too long, you overheat your engine and if nothing is done you soon fly like a brick...
@ zaraza: I would say that in both pictures, you are in a kind of critical situation...lol
I don't like flying that plane so much, it has a bad habit of easily going into spins in low speed turns if you forget combat flaps ( not too bad if you have altitude...) but also into flat spins which are very difficult to get out of...
I never spinned a 109.