MPG of a Humanphysics.ucsd.edu 11 pointsthmzlt14 years ago1 commentSaveHideCopy link On HNComments−BrainInAJar14yThere are bike power meters that measure exactly the wattage one can put out. Why did the author bother calculating drag coefficients and such?A 40km time trial takes about an hour to finish, at about 250W sustained ( 250W/h = 900kJ ), or about 22.5kJ = 5.3 kCal per km.
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There are bike power meters that measure exactly the wattage one can put out. Why did the author bother calculating drag coefficients and such?
A 40km time trial takes about an hour to finish, at about 250W sustained ( 250W/h = 900kJ ), or about 22.5kJ = 5.3 kCal per km.