I’m not criticizing the engineering. It looks to be a quality job. But this is an example of just because you can doesn’t mean you should.
The only purpose imaginable for this this is to bring you as close to the edge of death as possible. People susceptible to adrenaline overload need no apply.
All that said; If I was sixteen, had some extra cash and lived anywhere near Broken Arrow Oklahoma I would be bidding on it for sure. Though if the $1300 buy iy now price is any indication I wouldn’t be able to afford it.
See the full eBay listing