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Step-Tow Ground Control-Actuation (for kite-farm cascade-launch)

At the intersection of indoor kiting and hang-glider step-towing methods, Prism Kites developed a UL SLK called the Zero-G. A notable feature of this sort of "glider kite" is that it self-orients to fly directly away from the anchor (pilot) by the small trace of drag created by drawing out its line. Just as the kite reaches the farthest lowest point, the anchor retracts line to turn the kite back for climb, towing it higher overhead to glide farther in successive cycles. This is fully controlled step-towing without a pilot aloft. Essentially it is fighter-kite technique.

Prism shows flyers reaching 30 m overhead with just the "toy" version. Scaled-up for kite farm operations, this method could serve to reach 2000-ft altitude, to fly to LLJ layer over (common morning) surface-inversion calm. KiteLab Group (Portland 2007) experiments found a small pilot-kite at altitude can be used to hoist larger kites in a massive cascade-launch.

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