Skyhooks and Rotovators are orbital structures designed to lift grab spaceplanes or rockets at far slower speeds than normal and lift them into space at a fraction of normal launch costs.
Boeing's "Hypersonic Airplane Space Tether Orbital Launch -- HASTOL":
http://www.niac.usra.edu/files/library/meetings/annual/jun01/391Grant.pdf
Join this channel to get access to perks:
https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join
Visit our Website: http://www.isaacarthur.net
Join the Facebook Group: https://www.facebook.com/groups/1583992725237264/
Support the Channel on Patreon: https://www.patreon.com/IsaacArthur
Visit the sub-reddit: https://www.reddit.com/r/IsaacArthur/
Listen or Download the audio of this episode from Soundcloud: https://soundcloud.com/isaac-arthur-148927746/upward-bound-skyhooks
Cover Art by Jakub Grygier: https://www.artstation.com/artist/jakub_grygier