The first model hyperloop (vacuum train) was built about the same time as the first powered flight. However there is a very good reason why the hyperloop as never been built…..
The problems with building a 600 mile/km long tube havent changed that much in the last 100 years!!! Its just really REALLY difficult and expensive to do. This is why no one yet has built a sensible test track, let alone moved on to practical problems like how do you get capsules in and out of the hyperloop!
I wont be adding this to the patreon supported stream, however if you want to support this channel directly: