You missed the 2nd part of my question,
"is your fuel even less satisfactory?
I assume they know LOx is a poor choice as a coolant otherwise why do the
pros never use it?.
K
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On Mon, Oct 19, 2020 at 8:28 PM Henry Spencer <hspencer@xxxxxxxxxxxxx>
wrote:
On Mon, 19 Oct 2020, ken mason wrote:
Why would you want to use LOx anyway,is your fuel even less
satisfactory?
To my mind, the main reason to think about LOX cooling is that it frees up
your choice of fuel. LOX is cheap and dense and you invariably need lots
of it, so it would be nice if you could cool with it, leaving freedom to
optimize the fuel for performance, density, cost, or whatever without
having to worry about whether it's also a good coolant. If it were easy
to cool with LOX, nobody would bother cooling with fuel; unfortunately
it's not, so whether it's worth the trouble is the key question.
Henry