" For what it's worth, I've found that I need to minimize the spool diameter as much as possible to keep from over-torquing my drill motor in strong winds."
I'would rather have the handle/brake as a capstan, and ad a (motor driven) (and very light...) reel behind it to wind the line.
2. Modified crank with hex shaft for drill attachment and an offset balance for the handle (similar to the balance weight on fishing reels).
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