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HacDC Spaceblimp

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Revision as of 19:02, 21 July 2016 by Ewaldo (talk | contribs) (Ewaldo moved page Talk:HacDC Spaceblimp 6/Projects to Talk:HacDC Spaceblimp over redirect: oops)
Why use helium instead of hydrogen?
Wouldn't you get more lift? Leakage maybe?
Are there flight requirements other than avoiding restricted airspace?
Do you have to notify anyone or announce the release on the radio?