This isn't even a blueprint, though. It's a concept piece. You can make vague judgments about it, but the truth is that people here wondering whether this wou

This isn't even a blueprint, though. It's a concept piece. You can make vague judgments about it, but the truth is that people here wondering whether this would be practical is probably the closest to actual engineering that this design has gone. I wouldn't worry much about robustness - it's not certain that this would even work in the first place.