Not particularly expensive. The general concept is already quite commonplace in computer technology. POE, “Power Over Ethernet” provides this supply concept over relatively long distances (300 Feet) via small diameter CAT5/6 Ethernet cables. This same general design I am sure is available attached to a flexible fire hose.
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u/iapologizeahedoftime 13d ago
Obviously, there is a hose for water all the way down to the ground so any decent drone of that type will also have a power cable attached to it