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So they took a simple wheel and added a couple hundred parts, increasing cost, maintnence complexity, failure potential, and weight. Is it worth it?

That's the point of RnD, though, right? Try a hundred things, extensively test ten of them, end up with one or two that actually work.

And, if you're lucky, also end up with ten neat brand new ideas that are spawned by the RnD that lead to entirely new things.

All the tech that went into this wheel, might coincidentally open other doors, that lead to still other doors...