So i worked on a ship and i know we had various tanks that could be filled and emptied to modify our CoG
in an airplane that could be extremely dangerous and could have several thousand kilo’s of sewage after a long flight how do they maintain such a critical factor for flight?
EDIT:
I understand that flying is different from floating i was merely using it as an example of a system i knew and how it worked
In: 8
The real answer is they adjust the elevator (movable horizontal surface on the tail) to compensate.
So, the CG moves forward, the elevator provides more downward lift to compensate.
CG moved back(aft), elevator adjusts to provide less negative lift.
As others have said, poop in the shoot vs. poop in the toilet doesn’t change the weight of the plane. Same with the weight of soda in a can vs. soda you have drank. Slight shift due to location, but the overall size doesn’t affect it much.
[Tank wasn’t tied down in takeoff and shifts…causing crash](https://www.theguardian.com/world/video/2013/may/01/747-cargo-plane-crash-bagram-airbase-video)
This is what happens when the shift is large enough.
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