Read and discuss.
http://finance.yahoo.com/news/airline-pilot-reveals-why-plane-143700998.html
I was particularly interested in the talk of problems with expanding the capacity of the 737 connected to the inability to put larger engines on it. I got the impression that the problem is physical. The 737 is just too low to the ground to add engines any larger than currently used without re-engineering the under carriage of the airplane.
http://finance.yahoo.com/news/airline-pilot-reveals-why-plane-143700998.html
I was particularly interested in the talk of problems with expanding the capacity of the 737 connected to the inability to put larger engines on it. I got the impression that the problem is physical. The 737 is just too low to the ground to add engines any larger than currently used without re-engineering the under carriage of the airplane.