Originally Posted by
bafanguy
The -100s had the oval intake while the -200s were round. I can't remember (if I ever knew) why the difference. They both had JT8Ds of various dash numbers.
Someone here knows the "why" of the difference.
Compressor stalls occur with crosswinds with the oval intakes both on the ground and during flight, may be the reason why Boeing changed them to round.