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On 2011, Jun 23, , at 18:48, brian whatcott wrote:
> But it costs 18 gallons of mogas per hour, compared to my 5.5 gals/hr.
I might easily have picked these numbers out of the air to illustrate
the square law of energy versus speed in airplanes - but I didn't. More
speed really does cost disproportionately
More data please. Not valid to fit two points of air speed and gallon/mile to a quadratic.