Recap of EOSS-112

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Launch Site Balloon Prep

by Steve Osborne



Balloon laid out, ready to fill


Tare weight (sandbag) attached to balloon prior to fill


Helium is filling balloon


Flow control of helium


Partially filled


Half to maybe two thirds full


Just before balloon is filled


Balloon lifts tare weight. It's fully filled for flight.


Removing Fill valve and hose


Inserting sealing "bolt" into PVC neck fill tube.


Bolt inserted, balloon sealed. Next step is to tie payloads to support lines.