The Most Efficient Machine in History

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    Here you can see bicycle historian Iain Boal's calculation of just how efficient the bicycle really is.

    Kevin Steinhardt, and 19 other people added this photo to their favorites.

    1. Richard Masoner / Cyclelicious 48 months ago | reply

      Mice are less efficient than helicopters -- whoda thunk?

      I wonder where the Space Shuttle and Saturn V rockets fit on this.

    2. Cycle Oxford 48 months ago | reply

      Looks like a map of my back garden... :)

    3. Mikael Colville-Andersen 48 months ago | reply

      back garden...lol! that's bloody hilarious.

    4. Bikecopenhagen.dk 32 months ago | reply

      How is the Y-scale read, I sort of forgot ;-)

    5. Richard Masoner / Cyclelicious 32 months ago | reply

      "Calories per gram per kilometer". Fruit flies are tiny but they need lots of energy to move relative to their mass.

      I don't see trains on this graph. Association of American Railroads claims 436 miles per gallon per ton. In metric, 30,000 calories takes 900,000 grams a distance of 700 km. I'll need a cup of coffee before my eyes are open enough to solve for calories per gram per km.

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