Yeah, I agree, ksa8907. Just this morning again, I was third in line behind a tanker and was able to blast along at 60, getting what I usually get at 52 mph by myself. It helps not P.O.ing traffic behind; the whole karma thing like skyking mentioned.
But the corridor, in
my mind, is different than drafting. Related, but different. You can trail quite a bit further back when you're in a corridor.
Interesting comment about the airships, aerohead. I'm thinking it was primarily due to skin friction drag? A lot of surface area on those monsters.
Oh, and Howard Cosell would make an excellent replacement for Marlin Perkins; Steve Irwin is just a little too excitable for me. Ha ha! I'm showing my age.