As I said, I had achieved 70% with JS prior to entering this phase of the game and later learned that was not necessary to get the Space Ending. Yet after 5 minutes of waiting, 6 minutes of waiting, hell 10 minutes! Nothing happens. No Space Ending initiates and all I keep getting is the suicide ending.
The "space ending" as you like to name it, it's the "Path Of Glory" or "The Sun" ending >
Endings
The "hidden"/"Secret" ending is named "Don't Fear The Reaper" which could also lead to the space in function of the choice that you make in Mikoshi... Anyway, in this ending, you "simply" assault Arasaka Tower alone, nothing more... After you can choose to let the body to Johnny (The Temperance) or to return in your body (The Sun).
NO! It's not Space Suit Jets you see and if it is the animator needs to watch several videos on how they work because you do not see the actual jet vapor cloud ahead of the direction the user is moving. Too forensic a view? Perhaps. But in a gaming world that has been gravitating more and more towards space sims and the like, realism is key. This actually looks like the air in the suit escaping not some propellant pushing V forward!
You can "think" whatever you want, it's the propulsion system of the space suit, for sure

Even if you want to go in one direction, you need gas jets in all three axes (dimensions), more or less important in function where you want to go, to avoid to turn in circle or turn on yourself...
As you can see on my screenshots, surprisingly, your "leaks" are at the exact position of the output conducts... what a damn coincidence
