Because I know a very well educated coyote that would be really interested in this sort of innovative technology with his work in high speed pest control.
That or the owner's pissed off sister is coming back to reclaim her shoes.
"to lift 1000 grams (1 kg), you need about 163 grams (~0.16 kg) of helium" [anl.gov] 150 tons = 150,000 kg [wolframalpha.com] 150,000 * 163 = 24,450,000 grams of helium needed [wolframalpha.com] 24,450,000 grams of helium = 137,000 cubic meters [wolframalpha.com] "A billion cubic metres - or about half of the world's reserves" [independent.co.uk] 2 billion / 137,000 = 14,598.5 [wolframalpha.com]
14,598.5 airships before we run out of the current reserves. I think we're good. (Except for that last half airship, it'll be kinda screwed.)
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Because I know a very well educated coyote that would be really interested in this sort of innovative technology with his work in high speed pest control.
That or the owner's pissed off sister is coming back to reclaim her shoes.
"to lift 1000 grams (1 kg), you need about 163 grams (~0.16 kg) of helium" [anl.gov]
150 tons = 150,000 kg [wolframalpha.com]
150,000 * 163 = 24,450,000 grams of helium needed [wolframalpha.com]
24,450,000 grams of helium = 137,000 cubic meters [wolframalpha.com]
"A billion cubic metres - or about half of the world's reserves" [independent.co.uk]
2 billion / 137,000 = 14,598.5 [wolframalpha.com]
14,598.5 airships before we run out of the current reserves. I think we're good. (Except for that last half airship, it'll be kinda screwed.)