The arrows in the pictures below show the "crease" that divides the cross-section into two semicircles. Two circles are stronger than one. It makes the fuselage stronger.
Thursday, March 5, 2015
Delta Flight 1086 La Guardia LGA N909DL MD-80 No Fatalities
Nobody died in this incident because the "MD" Series of McDonnell Douglas aircraft have a stronger fuselage than similar planes. An Airbus would have broken in half.
The arrows in the pictures below show the "crease" that divides the cross-section into two semicircles. Two circles are stronger than one. It makes the fuselage stronger.
The arrows in the pictures below show the "crease" that divides the cross-section into two semicircles. Two circles are stronger than one. It makes the fuselage stronger.
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Interesting point. The inside joke in the 80s at AA was "When the last MD80 is parked in the desert, the crew will deadhead home on a 727." Didn't quite work out that way. I still liked the Boeings better, though.
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