Discussion of balloon types, experiences, suppliers and filling techniques.
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by KI9L » Sun Jan 15, 2012 12:50 am
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
Trackuino APRS tracker for the Arduino/Atmega328pMy Blog Crockett EngineeringH>He Proud Member of the Hydrogen ClubTrackuino WEB HAB MKI - 85, 816ft - 68,593ft
Formerly (KJ6KUV)
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KI9L
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by KJ6DYP » Tue Jan 17, 2012 12:28 am
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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