Really Fun
Kuka had one of their big (~500kg payload) industrial arms with it's outer link removed at the Industrial Robotics & Vision Show doing this. I looked... and I watched...
...and I really hoped those people riding knew they were counting on a processor, a bunch of silicon junctions in the FETs, and some fragile encoders not to turn them into people patties on the concrete.
But, it looks like a great time as long as it works. I'll sit this one out though.
-q