I designed the flow control valve for Mountain High Oxygen Systems as well as
for most of the O2 concentrators available on the market today. The Mountain
High systems will run for hours on a 9 v battery. I have one. Bottled oxygen is
cheap and weighs a lot less than a concentrator
Think about this: to concentrate the oxygen in the surrounding
atmosphere, it takes energy. Lots of it, and that is even on the
ground, where there is much more oxygen available.
If you're going to put an oxygen concentrator in an airplane, you'd
better have one large alternator or several
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