Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

700 MPG (of fat)

Old 06-17-11, 04:39 AM
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Kind of Blued
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700 MPG (of fat)

I do realize this is silly, nevertheless, humor me and pretend carbs don't exist for a minute, and that ounces/fluid ounces are the same thing.

There are 3,500 calories of fat in a pound (16 ounces).
There are 128 ounces in a gallon, and eight "pounds" in a gallon.
There are 28,000 calories in a "gallon of fat".
Assuming a (hardly agreed upon) expenditure of 40 calories per mile:

28,000 / 40 = 700 MPG

Tell your fat friends.
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Old 06-17-11, 06:44 AM
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Uh, tell them what?

"Man, did you know you got enough fat to go from here to Mars!"

That will get me a big bequest in their will I'm sure...
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Old 06-17-11, 07:17 AM
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Specific gravity of fat is ~0.917, so only 7.3 lbs per gallon.
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Old 06-17-11, 07:21 AM
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How much of that fat is stuck between your ears?
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Old 06-17-11, 07:28 AM
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I have no fat friends. Hell, I have no friends. Thanks now am I not only skinny but I'm depressed as well. Guess I'll eat a cookie or something.
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Old 06-17-11, 10:14 AM
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Gasoline contains around 114,000 btu/gal. According to google, that converts to 28 million calories.

28 million / 3500 (calories in a pound of fat) = a lot of pounds of fat.
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Old 06-17-11, 10:37 AM
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Good new: You're not too fat for this sport, you just have a high-capacity gas tank.
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Old 06-17-11, 10:39 AM
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Originally Posted by mmmdonuts View Post
How much of that fat is stuck between your ears?
Approximately 135g of fat in the brain, but I'm trying to burn that off ASAP.
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Old 06-17-11, 10:48 AM
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How does the energy efficiency of a human engine compare in Golden vs on the way to Leadville?

Originally Posted by Kind of Blued View Post
I do realize this is silly, nevertheless, humor me and pretend carbs don't exist for a minute, and that ounces/fluid ounces are the same thing.

There are 3,500 calories of fat in a pound (16 ounces).
There are 128 ounces in a gallon, and eight "pounds" in a gallon.
There are 28,000 calories in a "gallon of fat".
Assuming a (hardly agreed upon) expenditure of 40 calories per mile:

28,000 / 40 = 700 MPG

Tell your fat friends.
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Old 06-17-11, 11:02 AM
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Originally Posted by saratoga View Post
Gasoline contains around 114,000 btu/gal. According to google, that converts to 28 million calories.

28 million / 3500 (calories in a pound of fat) = a lot of pounds of fat.
A 'calorie' of fat is actually a kilocalorie of energy. You're off by a factor of a thousand.

Edit: you also forgot to convert gallons of gas to pounds. In fact, the energy content of gasoline is right around the same for fat.

Last edited by Pedaleur; 06-17-11 at 01:39 PM. Reason: Even more inspiring knowledge to enlighten the masses!
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Old 06-17-11, 01:33 PM
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Originally Posted by Seattle Forrest View Post
How does the energy efficiency of a human engine compare in Golden vs on the way to Leadville?
Not sure, but it's nice to know when I'm about out I can coast home in neutral.
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Old 06-17-11, 01:54 PM
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The most prudent time to say, "TGIF"!
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Old 06-17-11, 04:54 PM
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Originally Posted by Pedaleur View Post
A 'calorie' of fat is actually a kilocalorie of energy. You're off by a factor of a thousand.

Edit: you also forgot to convert gallons of gas to pounds. In fact, the energy content of gasoline is right around the same for fat.
Yup
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Old 06-17-11, 09:22 PM
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Holy crap! I am going to be riding for a long, long time.
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