Originally Posted by
Cough
I wondered how much they increase Vr for safety? It's noticeable that the front wheel of the MLG rises prior to rotation (I imagine for two reasons - The wing was ready and also the semi levered landing gear is ready to give it a shove off the ground) it just left me wondering what the margin is?
I had read somewhere that there concerns with the added length causing tail strikes and then in another article is was pointed out that the new wing had better lift so perhaps that is why the main gear lifted first.