If you ever get on YouTube and type in “skydiving accidents”, you realize there are lots of different ways to die in skydiving…

Many of these problems can be eliminated with indoor skydiving, where you get the fun of flying without the ground rushing toward you at 120 MPH.

In the following video, you can see what makes it all possible – a really big overhead propeller that is similar to the propeller from an airplane. The propeller creates a vertical ind tunnel, and you fly inside that tunnel:

Underneath the floor there is a large air intake area called the plenum, as seen here:

Wind tunnels in general need a lot of power to move enough air. Vertical wind tunnels are no different. This page…

Paraclete XP SkyVenture

…describes a vertical wind tunnel using four 531 horsepower fans to create the 130+ MPH windspeeds needed to keep people aloft.

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