I made a device to make it easier for the Arch Reactor ground crew to detatch our balloon from the helium gas tank in order to test the lift for our High Altitude Balloon. But it needed an atachment ring somehow atached so we could hook up the fish scale and safety weights. Fortunately, it was insta...
By: ForrestDeep
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from Instructables: exploring - technology - robots http://ift.tt/1LujDJO



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