Originally Posted by
roberino
It is NOT impossible! A physicist with a bit of time to spare could calculate the force created on the door flying a 30000 feet, but it is not that great and the levered door handle provides enough force to break the seal in any case. One the pressure has equalised the door can be moved freely.
As pointed out above, there is no lever that provides force to break the seal.
There's about a 7.5psi pressure difference between 8,000 feet and 35,000 feet.
http://www.sensorsone.co.uk/altitude...onversion.html
A door that's 6.5 feet by 2.5 feet is 2,160 square inches, which amounts to just over 16,000 pounds of force.