Hello! I was hoping someone here could help me solve a real world problem. So my university pool has something called a bulkhead, which is basically a bridge that floats above the water so that people can walk across the shorter dimension of the rectangular pool (50 meters long, 25 yards wide). You can see it clearly in this pic: https://www.ohio.edu/recreation/aquatic/images/Banner-Aquatic_3.jpg From time to time, the swim team will rearrange the pool lanes so that they are lengthwise and 50 meters long (they are 25 yards long in the pic) as they are during the Olympics. In the process, to make room for the long lanes, the bulkhead needs to be moved along the long edge on the side with the windows. They have a good approach for rearranging the lanes, but the bulkhead always seems to take a while, especially when moving it back to the default position. Swimmers are not always around to help returning the pool to normal leaving pool staff to do it and one major problem is that someone has to get in the water to restore the pool to 25 yard lanes. There are lots of rings around the entire bulkhead and long rope is attached to one on the side opposite the windows; so switching to 50 meter lanes simply requires someone to walk across holding the rope and pull once on the side with windows. But, as you can imagine, moving the bulkhead back so it acts as a divider for the pool is a little harder as it is not there to walk across anymore. The rope is not long enough to walk around the pool deck and people often trip over it when its on one end (sometimes falling in the water hilariously). Longer rope is a possibility, but I really feel like there must be a more elegant solution to this. I've been thinking about different approaches, but can't seem to figure it out. Pulleys? Levers!? So, I turn to the physics forums in the hope that someone here can help me solve this. Thank you if you made it this far and apologies for the length of this post. Hopefully this is an interesting real world problem for someone!