Author Topic: General Questions About The Case  (Read 413396 times)

Offline dudeman17

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Re: General Questions About The Case
« Reply #3315 on: September 19, 2022, 09:51:37 AM »
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He seemed reasonably comfortable with changes in the plan and may well have anticipated a number of possible changes to the plan as things progressed.

That might indicate jumping and/or military experience. I think in both circumstances it is standard to pre-plan for all possible contingencies.

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Would there have been any issues jumping out of an ascending aircraft?

Depends on the aircraft. In smaller aircraft, jumping out of a side door, if it's in a climbing attitude it could increase the chances of striking the tail. Coming out of the rear stairs of that jet would not present that problem. However, a climbing aircraft is under more power and has more speed, and that can be a problem. Especially in that jet, he would want that thing slowed down as much as possible, which would mean level flight, and was the reason he asked for flaps and gear down.

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If the steps had been lowered prior to take off would they have been in a locked position?

Those steps down and locked were designed to support the tail of that aircraft. With all the engines on the tail, it was tail-heavy and could tip back while being boarded. So if the stairs were locked down, it would prevent the plane from rotating properly for takeoff, and could cause it to crash.
 

Offline Robert99

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Re: General Questions About The Case
« Reply #3316 on: September 19, 2022, 04:10:18 PM »
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Thought this might be a fun thought exercise:

What would have the Cooper hijacking looked like had Cooper’s plan worked exactly as he had anticipated?

A fascinating thought process. Should we consider 'hoped for' as opposed to anticipated? He seemed reasonably comfortable with changes in the plan and may well have anticipated a number of possible changes to the plan as things progressed.

Would there have been any issues jumping out of an ascending aircraft? If the steps had been lowered prior to take off would they have been in a locked position?

Jumping from a 727 that was climbing or descending would not be a problem.

If the aft stairs were down and locked, there would probably be a problem in taking off depending on the flap setting.  The pilots might not have sufficient longitudinal control power to crush the aft stairs and rotate the aircraft to the angle of attack necessary to take off.  And the required angle of attack depends on the leading edge device settings and the trailing edge flap settings.

If the aft stairs were down and not locked, there would not be any problem taking off.  The aft stairs would be off the pavement within one or two hundred feet of the start of the take-off roll due to both the dynamic and aerodynamic forces on it.