power line drone charging

[Alex Fraser]

I followed up on our Zoom discussion of charging a drone battery by 
hanging on a power line.

It has already been done and patented in 2005  by the USAF. There might 
be some wiggle room

by using a different mechanism for the clamp.

https://patents.google.com/patent/US7318564B1/en


These guys at Oregon Tech give you all the details you might need.  They 
built one!

http://digitallib.oit.edu/digital/collection/sprojects/id/57/ Click for 
full screen or download.

Another version from the same site!

http://digitallib.oit.edu/digital/collection/sprojects/id/74/rec/76