Capstan winches rely on friction between the rope and drum. I've never handled mule tape so I don't know if it would grab or slip. You'd have to try it to see. It would have a lot of advantages if it would work...price, weight, strength, etc.
“In a time of deceit telling the truth is a revolutionary act.” ― George Orwell
It's not over when you lose. It's over when you quit.
