As @alon_levy has pointed out many times, Spain and Korea (among others) have already figured out how to tunnel for an order of magnitude cheaper than the US pays. We don’t need @elonmusk to reinvent the earth pressure balance machinehttps://twitter.com/elonmusk/status/943882440984223747 …
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Replying to @MarketUrbanism @stucchio and
Oh yeah, also electric cars were invented in 1828 in Hungary, and orbital launchers in 1957 in Russia. Elon has such a track record of wasting time and money on stuff that already exists, hm?
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Replying to @Plinz @MarketUrbanism and
Huh? Electric cars were never a mass market product. EPB is how a decent fraction of first-world metro construction works.
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Replying to @alon_levy @MarketUrbanism and
Exactly the point. Tunnels are not a mass market product. And did you notice that the US lost the ability to build viable subways ca. 1950? A mile of new US subway now costs upwards of a Billion!
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Replying to @Plinz @MarketUrbanism and
Tunnels are a mass market product this side of the Atlantic, but Musk is ignorant of advances here and of what drives high costs in the US.
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I have to admit that I am personally absolutely clueless wrt the economics an technology of tunneling, so my opinion is worthless. I just have the intuition that Elon Musk is smart and capable enough to buy and create more cognition on it than Spain.
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Indeed you are clueless then. Spain is the world’s civil engineering leader, they’ve proven themselves far more times than Elon Musk has in this field.
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I am genuinely curious: in your view, how would you quantify the probability that you know more about tunneling and possible business cases than Elon Musk's company at this point? I wonder how much of your position is driven by deep expertise and how much by being annoyed?
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Close to 100%, but what do I know, I only read the literature on tunneling costs and saw how wrong the claims in Boring's FAQ were.
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Thank you! Interesting!
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