How much helium does it take to lift a person?

The Aroplume, in France, is a helium blimp sized for one person. 60 gets you half an hour's flight. I had to try it. More about Aroplume: https://aeroplume.fr This isn't sponsored: I paid for my flight at the normal price, I was the one to contact them asking permission, and Aroplume had no editorial control. I am, however, amazed that in the ten years this has been going, no-one's ever told me about it before!

Edited by Michelle Martin https://twitter.com/mrsmmartin

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