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Helium How many pounds will a cubic foot of helium lift

am building a remote control blimp. have 13.4 cubic feet of space for helium, need to know how much weight that will lift.

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Helium weighs 0.011 pounds per cubic foot. Helium is the chemical element with atomic number 2. It is also a colorless, odorless, tasteless as well as a non-toxic element, which heads the noble gas group in the periodic table. Read more on http://en.wikipedia.org/wiki/Helium.

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The lift capacity of helium is the difference between its weight and the weight of the air it displaces. A cubic foot of helium will probably only lift an ounce or two.

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