US Hawks Hang Gliding Association

Indoor Hang Gliding (IHG)
includes hang gliding in underground chambers, large above-ground chambers or halls, and within Moon Domes, and similar indoor places.
Have fun with the parameters of each defined space. Consider hang gliding through a long inclined tunnel underground or an inflated long tube inclined to a planet's horizon.
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Oh my God! Another acronym I have to remember.

I suggest that Joe Faust be nominated for "Acronym Producer of the Year" award.

Frank

BTW - I had a great day of flying the waters of the Owens River with Bob K & Rick M yesterday!

There was an indoor paper airplane contest in the old Kingdome in the 80's. I believe that Gene Matthews may have been the first, but I was there when Darren Fox flew, I think it was either his Sensor or Attack Duck. We set up on a plywood ramp that was barely attached to the first few top rows of seats. I think "Thus Spake Zarasthrusia" was on the PA (2001 Space Odessy theme song).

Joe, I'm sure you are aware of the skydiving simulator in Las Vegas.
https://vegasindoorskydiving.com/
It occurred to me, after reading your typically outside-the-box post, that an indoor training simulator could be designed on the same principle.
Large fans would be installed beneath a floor grate to create an updraft. These need not be such powerful fans as you might think, because the hang glider would be suspended on, say, a 100-foot+ vertical line with a counterweight, like an elevator has, so the glider is lifted at perhaps as little as 0.25 lb/sq ft.
At the connection point to the glider, a pitch and roll axis linkage would allow identical simulation and response to actual flight.
The wall structure would be far enough away to prevent the glider from making contact, allowing full 360-degree turns and figure-8s.
The fans would be computer-controlled to simulate the type of conditions a pilot encounters in actual flight, such as turbulence, thermal lift and ridge lift.
Fans on the walls would provide headwinds, tailwinds and crosswinds.
The walls would be white screens. Video projectors would project the terrain the glider is flying over in concert with the artificial updraft.
The experience for anyone would be astounding and perfectly safe.
Genuine hang gliders would be used and interchanged, from prototypes to vintage to contemporary to even a pilot's own glider.
It would be extremely valuable in training, from teaching neophyte pilots to launch, to turn, to work ridge lift, learn thermalling techniques and even to make safe landings.
Personally, I think it would be more attractive and more lucrative than the skydiving simulator, but with the added potential for bringing new participants into hang gliding.
For a higher volume commercial operation in the realm of an amusement park ride, the glider could be suspended from an overhead beam trolley that would take the glider "cross country" above arrays of fans and traveling scenery.
Investors interested in exploring the details of such a "gold standard experience" project should contact me privately through the U.S. Hawks.

Tustin

https://www.atlasobscura.com/places/tustin-blimp-hangars

BTW - I had a great day of flying the waters of the Owens River with Bob K & Rick M yesterday!

Did the term "doppelganger" ever come up during your water flight?
It seems that 'doppelganger' might be appropriate in describing the river.
Ghost mirror... you could see yourself flying over the surface.
Maybe that's what happened to the submerged wing.
Got caught in the DOPPELGANGER!