@380kmh did you see this thing on an eccentric engineer developing vacuum-driven trains? https://www.wired.com/story/flight-rail-vectorr-atmospheric-railway-train/ …
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summary: track has an air sealed tube, vacuum pressure pushed a drive unit inside. cars are connected to the drive unit via magnets
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looks like a main advantage is much lighter passenger cars? certainly tracks would be much more expensive
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it sounds like a more expensive maglev....not sure really very viable (but I'm also deeply skeptical of viability of hyperloop)
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yeah, seems impractical to me but it's cool that this guy is so obsessed
End of conversation
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