So, I ask them, why does the 747 have an upstairs cabin ... Their engines hang on pylons, in front of and below their swept-back wings. The landing gear is in exactly the same place: hinged ...

A gigantic financial gamble at the start, the 747 paid off big for Boeing. Eighty-nine ... The main gear absorbs up to 975,000 pounds on landing. Air Force One (with President Barack Obama).