I have a question:
I *do* know that the length of runway required for an aircraft depends upon its v1/vr speeds, the aircraf's TO weight, the performance of its engines, and son on...
What I *don't* know is how one could calculate how many feet of runway are needed for a specific flight, given weight, weather and V1/Vr speeds.
I ask the question because I could imagine that there are situations where a plane may be below MTOW, but still may not take off because the runway is too short. But how can you know which length would be "too short"?