You can't just remove the pot doesn't work like that. You center the pot so there is no servo movement at neutral stick glue it in place and then cut the stop tab that limits the servo's travel. Then instead of moving to a proportional location with control inputs the further away from center the faster the servo will spin. Keep in mind if you have a basket that weighs more than a pound and the line is out at any length allowing it to swing and you're almost grunted to crash the helli, the basket will pendulum and unless you're a DAMN good pilot that's used to a shifting center of mass you're gonna lose control of it REAL fast. Take a two a litter of soda and put it in a plastic bag and sling it around the handle bar so that it dangles about 6-12 inches bellow the bar and try to ride the bicycle and turn quickly.. That's about what it's like. To reduce complexity, just eyeball when the winch is wound up, down doesn't matter because it'll just go all the way down and the controls will reverse as it starts spooling the line up the opposite direction.