Discussion of balloon types, experiences, suppliers and filling techniques.
spaceforall wrote:Where do you guys source your hydrogen from? We typically pick up helium from welding supply shops, but we've had supply issues locally (central Illinois) that the retailers claim is from a high demand from the LHC. If there were a convenient way to source Hydrogen, we would probably try it out.
I get ours from Praxair
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SpaceBalloon wrote:Hydrogen is twice the lift and a lot less money
Hydrogen actually provides only about 8% more lift than Helium, since it's the difference in density compared to what you're floating in that matters. http://en.wikipedia.org/wiki/Lifting_gas#Hydrogen_versus_helium
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