Jet fuel consumption
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Join Date: Sep 2001
Location: Vancouver, British Columbia
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Jet fuel consumption
A student asked me why jets burn less fuel at higher altitudes.
It is my understanding that a jet engine does not actually become a more fuel-economical machine at higher altitudes. Reduced parasite drag at high altitude means less engine thrust required, and therefore, less consumption.
Can anyone tell me if this is right?
It is my understanding that a jet engine does not actually become a more fuel-economical machine at higher altitudes. Reduced parasite drag at high altitude means less engine thrust required, and therefore, less consumption.
Can anyone tell me if this is right?
