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Old 11-08-2009, 10:52 PM   #20 (permalink)
Mustang Dave
Intermediate EcoDriver
 
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Join Date: May 2009
Location: near Flagstaff, AZ
Posts: 120

White Pony - '07 Mustang V6 Premium Coupe
Team Ford
90 day: 29.85 mpg (US)

Big Red - '89 F-250 4WD Custom
90 day: 17.5 mpg (US)
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Quote:
so, if doubling your speed takes 4 times the power, roughly speaking,...
Doubling the speed takes 8 times the power. Power is proportional to the cube of the speed, not the square.
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Fuel economy is nice, but sometimes I just gotta put the spurs to my pony!
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Quote:
Just 'cuz you can't do it, don't mean it can't be done...
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