Also, you have to go through sky 1 to get to sky 2, and when you’re done you go back through sky 1.
But, while you’re in sky 2, almost nothing you used in sky 1 is relevant. Lift? Gone. Drag? Nearly zero. Thrust? Turned off once you passed sky 1. Rudder, elevators, ailerons, flaps, slats, airbrakes: sorry, no. Altimeter? Irrelevant. Airspeed? Off the charts. Vertical speed indicator? Mostly zero, but not something you need to watch. Artificial Horizon? You don’t really need that. Air traffic control? Airways? VORs? Left behind in sky 1.
I wonder if they’ve ever considered training submariners as astronauts. Living inside a vessel under massive pressure is obviously different in some ways from living under one in zero pressure. But, both involve a pressure differential that can kill you. You’re cut off from the world. You’re breathing recycled air and drinking recycled water. You’re away for months at a time. You’re living in a small enclosed space with other people. Things with tentacles are creeping nearby…
Also, you have to go through sky 1 to get to sky 2, and when you’re done you go back through sky 1.
But, while you’re in sky 2, almost nothing you used in sky 1 is relevant. Lift? Gone. Drag? Nearly zero. Thrust? Turned off once you passed sky 1. Rudder, elevators, ailerons, flaps, slats, airbrakes: sorry, no. Altimeter? Irrelevant. Airspeed? Off the charts. Vertical speed indicator? Mostly zero, but not something you need to watch. Artificial Horizon? You don’t really need that. Air traffic control? Airways? VORs? Left behind in sky 1.
I wonder if they’ve ever considered training submariners as astronauts. Living inside a vessel under massive pressure is obviously different in some ways from living under one in zero pressure. But, both involve a pressure differential that can kill you. You’re cut off from the world. You’re breathing recycled air and drinking recycled water. You’re away for months at a time. You’re living in a small enclosed space with other people. Things with tentacles are creeping nearby…