I get that could be an issue but I’ve seen helicopters with much longer scoops flying about. Granted they were mostly military or fire rescue with similar design clearly meant to lift much more weight - hence why my thoughts went the route of weight limitations.
I’m not any kind of expert, but it seems to me the longer the line the more the bucket will act like a pendulum, especially when it’s full.
I get that could be an issue but I’ve seen helicopters with much longer scoops flying about. Granted they were mostly military or fire rescue with similar design clearly meant to lift much more weight - hence why my thoughts went the route of weight limitations.