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by riffic 3524 days ago
You assume that Hyperloop's tube will run a vacuum, which is a misconception. The Hyperloop One design uses low pressure tubes which is completely different from being completely evacuated.
4 comments

Vacuum doesn't exist for all practical purposes, every form of vacuum is just low pressure. So if you don't say anything about what level of vacuum or how low the pressure is your statement is meaningless.
Watch his second video, he provides extra explanations including that one.

https://www.youtube.com/watch?v=DDwe2M-LDZQ

Without a vacuum it's just a train with no need to be enclosed.
its effectively a vacuum