An orbital ring, or Skyhook, is a space-based structure that extends from the ground to orbit. It consists of a series of cable segments connected by rotating joints, forming a continuous loop in space.
Reduces the cost of launching payloads into space by providing a reusable launch infrastructure, potentially enabling more frequent and cheaper access to space.
The orbital ring rotates at a rate that matches its altitude and Earth's rotational speed, allowing it to support itself through centrifugal force. Vehicles can travel along this structure for transport between ground stations and orbit, or even into deep space.
Involves complex composite materials and precise engineering. Requires advanced manufacturing techniques for cable production and assembly in space.
Initial stages include ground-based testing, followed by construction of the ring segments in orbit using robotic systems or crewed missions. Assembly involves connecting segments and deploying the rotating joints.
Field units draw low hundreds of watts; fabrication is energy-intensive due to vacuum baking and composite material processing.
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