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How much helium do I need for my weather balloon?

I'm hoping to send up a weather balloon near space camera. I will have a weather 5.5 foot weather balloon with a payload of around 3-5 pounds. How many cubic feet of helium do I need?

1 Answer

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  • 8 years ago
    Favorite Answer

    Probably two tanks, but depending on the payload, this is to change.

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