I couldn't find any related threads, so I hope you can help with answers to two questions regarding the DC-9.
1. On take-off yesterday in a DC-9-50, I noticed that the flaps were just barely deployed (hardly even looked like 5 degrees), unlike a typical take-off setting in other aircraft. We were full, and going DTW-BOS; temp was ~35 F. This seems very strange, as I have heard of some jets using very little flap deployment, but not DC-9s (the co-oincidence of being in DTW (MD-80, 1987) added a bit to my apprehension).
2. Last Friday, BOS-DTW in a DC-9-30 I sat in the exit row (seat 11F). Despite many flights, my first exit row. Anyway, as we taxied, I could clearly hear the engines in a much different way than normal. It was as if there were a conduit from the engines to the emergency exit door, and I could hear the engine with much more clarity than I have from other seats. I actually asked the purser if this was normal, and he said everything was fine, but it almost seemed as though I could hear the outside, as if the door were not sealed. Everything went fine, and I could not notice this in flight. Just during taxi and on take-off roll. Any thoughts?
These both go to show that despite any layman's concerns (such as mine), the flight crew and the airlines know what the heck is going on.