Wednesday, March 15, 2017

Gravity Train Redux

Remember that "Gravity Train" concept? Good news - it's thoroughly practical. Bad news - NASA already thought of it! Here is a study on using just such a device to induce hypergravity on earth: NASA PAPER

In it is a mention of a study done by NASA in 1975: "In the 1975 NASA study, "Space Settlements: A Design Study,” an orbiting space settlement capable of supporting a population of ten thousand is described in detail. The orbiting space settlement envisioned in this study is shown in Fig. 5. In this design, the 1790m diameter space station wheel rotates at 1 RPM inside a non-rotating ring shield to produce 1g at the wheel rim bottom. The wheel rim modules can be viewed as train cars running on a circular track in which the track is the ring shield."

So that's that. Yes, it is practical, but I was not the first to think of it. I still intend to offer this as an option in my games, but I don't get to name it! :D

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