Comment on The Slingatron: Building a Railroad to SpaceComments−valtron13yReminds me of a Lofstrom Loop: http://en.wikipedia.org/wiki/Lofstrom_loop−msandford13yThis idea to me seems a lot more feasible. Read about it years ago and it makes me sad to see that it's not happening.−jessaustin13yA structure 2000 km (actually, 4000 km) long is envisioned, with internal speeds of 14km/s. We're just not very good at building that sort of thing yet.−mjn13yAt those scales, it's considerably harder than building high-speed rail NYC<->LA, and the latter is usually ruled out as infeasible.
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Reminds me of a Lofstrom Loop: http://en.wikipedia.org/wiki/Lofstrom_loop
This idea to me seems a lot more feasible. Read about it years ago and it makes me sad to see that it's not happening.
A structure 2000 km (actually, 4000 km) long is envisioned, with internal speeds of 14km/s. We're just not very good at building that sort of thing yet.
At those scales, it's considerably harder than building high-speed rail NYC<->LA, and the latter is usually ruled out as infeasible.