In the context of jumping, "BASE" is an acronym that stands for Building, Antenna, Span, and Earth (meaning cliff), which are four things you can hurl yourself off of before pulling your ripcord. For the jump shown in this video, a group of BASE enthusiasts opted for Span. They also chose to build it themselves, rigging up a massive human spiderweb suspended between multiple cliffs in Utah, some 40 stories off of the ground.
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Writes ringleader "Sketchy" Andy Lewis, who designed the thing:
Years of dedication, creation, testing, evolving, and updating have led to Thug Mansion; "a sky high iced out paradise, in the sky," that is 400ft high, has 7 highline-able walkable sides, and 2 Space Nets connected by a "float line," (which is a highline with 2 dynamic anchors).
…We took out the nets and pre-rigged them– setting them up 3ft off the ground. We added more weaving to the nets– putting the amount of cord weaved inside of the nets at about 21,000 ft + We measured and taped all the lines, organized dynamometers to track the forces in the system, found hardware for the potential users of the net, and racked everything into cars.
…Over the course of the whole day almost 100 people worked together to get Thug Mansion rigged. By sunset we were chilling in the sky….
And then, of course, Lewis jumped off of it:
Incredibly, this isn't the first one they've built.
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