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I believe pluggable, human carrying quads have potential in couple of industries like building maintenance, firefighter ladder replacement or lift alternatives.

Problem is the power delivery, you'd need around 20kW of power. That is not available just about everywhere and requires fairly thick cable.

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There's a startup called Plugless that makes wireless charging equipment for cars[1] (basically a scaled-up version of the wireless phone chargers). The current version puts out around 3.3kW continuous - not quite that 20 kW, but in the ballpark. Perhaps that technology could be developed to suit that niche.

[1]https://www.pluglesspower.com/look/?jump=tech#tech-specs

I want a cable laying snake..

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