A hulking Arleigh Burke–class destroyer might typically burn a minimum of about 24 barrels (1,000 gallons) of fuel per hour, but this figure conceals so many factors and variables that the Navy doesn’t really use it the way we use “miles per gallon.†Wind and current can have a major effect on a ship’s efficiency. Speed affects a ship’s mileage in unique ways, too, says Gabor Karafiath, with the Naval Surface Warfare Center in Bethesda, Maryland. When a sh...
A hulking Arleigh Burke–class destroyer might typically burn a minimum of about 24 barrels (1,000 gallons) of fuel per hour, but this figure conceals so many factors and variables that the Navy doesn’t really use it the way we use “miles per gallon.†Wind and current can have a major effect on a ship’s efficiency. Speed affects a ship’s mileage in unique ways, too, says Gabor Karafiath, with the Naval Surface Warfare Center in Bethesda, Maryland. When a sh...
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