DeltaDeltaDelta wrote:

Now that you mentioned it, I also recall some thesis that if the water is
ejected from the engine, it will increase the moisture levels slowly until
how-knows-what happens.

But the hydrogen was created by electrolization of water, removing exactly
as much water from the system as will be restored when the fuel is used.

It's a closed system in that regard. The net amount of water remains the
same.

George Patterson
The optimist feels that we live in the best of all possible worlds. The
pessimist is afraid that he's correct.
James Branch Cavel