Shemp McGurk wrote:

Actually, your Gulfstream V comparison with the 747-400 is exactly the
kind of thing I'm looking for: the per-passenger miles-per-gallon on a
private jet versus the per-passenger miles-per-gallon on a commercial
jet.

And from the example you give above, it's about what I thought it
would be: a 747 with, say, 300 passengers is consuming 6 gallons per
mile and a Gulfstream with, say, 10 passengers is consuming 1 gallon
per mile, the per-passenger miles-per-gallon is WAY higher with the
private jet than with the commercial jet.

Yes?


The basic concept is the same for airplanes as it is for ground
vehicles. The larger the vehicle the better the "payload mile per
gallon". If you consider the payload of a new 18 wheeler that gets, I
think, over 6 miles/per gallon, to that of the say 40 mpg of some small
cars, you will find that per pound of payload the 18 wheeler gets a lot
better millage. The same is true for airplanes. I would also bet, with
out knowing the exact numbers, that a 777 has a higher "payload mile per
gallon" than a 40 mpg Honda civic. If you go by Payload mile per gallon
per hour of transit time, the 777 number would eclipse the Honda number.

--
Chris W

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