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Jul 6 at 18:09 vote accept Ember Edison
Jul 6 at 1:08 comment added Woody firing the good guys … All true, but the tether (skyhook or elevator) only provides an orbital transfer orbit, not angular momentum for circularization or inclination change. The angular momentum for those must be supplied by old fashioned rockets. In the case of lunar transfer, the angular momentum is being supplied by gravity assist from the moon.
Jul 5 at 21:02 comment added Woody @EmberEdison ... the angular momentum in question is not the angular momentum of the spacecraft, but the angular momentum of the spacecraft/planet system. The first can be managed by momentum wheels, the second cannot.
Jul 5 at 18:39 vote accept Ember Edison
Jul 5 at 19:06
Jul 5 at 15:23 history answered SE - stop firing the good guys CC BY-SA 4.0