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I have recently read Seveneves and loved the use of certain technologies in it. Has anyone put serious study into the bolo hanglider hanger and possible viable usage of a similar technology?

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    $\begingroup$ It would be helpful if you could describe what these things are for those who haven't read the books. $\endgroup$ – kim holder Aug 29 '16 at 18:50
  • $\begingroup$ This is called a momentum exchange tether. en.wikipedia.org/wiki/Momentum_exchange_tether $\endgroup$ – Hobbes Aug 30 '16 at 8:34
  • $\begingroup$ Earth launch assist bolo/space bolo. Earth-to-orbit rotovator cant be built from current materials re: thickness/mass to handle the loads too large but w/ 2/3rd rotation speed halves the centripetal acceleration stresses. Lower stress if pick up moving vehicle and sling it into orbit w/o rockets, or catch & lower it into atmospheric flight. Its easier for rockets to achieve speed, like Hypersonic Airplane Space Tether Orbital Launch (HASTOL). Air breathing or rocket to tether could save tons of fuel per flight, & allow simple vehicle w/ more cargo. Tethers Unlimited Inc working on it I hope $\endgroup$ – RTachoir Aug 31 '16 at 23:26

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