David,
> This is probably obvious, but according to my study materials for the
> instrument rating, the efficiency of a jet engine depends on the
> temperature differential between its combustion and the outside air
> temperature -- that's why jets are very efficient flying near the
> tropopause at around -60 degC, but burn more fuel for less power in
> warmer temperatures (i.e. lower). Is YASim taking that into account?
Just out of interest, what material is this (who wrote/published it)?
Does it give a formula, or at least a reason for this? (I'm asking
because I suspect that the author got something very wrong here.)
Andras
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Major Andras
e-mail: [EMAIL PROTECTED]
www: http://andras.webhop.org/
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