That’s in theory. In practice, it feels like you’re lifting three drabs. No sympathetic link is perfect. The more dissimilar the items, the more energy is lost. Think of it as a leaky aqueduct leading to a water wheel. A good sympathetic link has very few leaks, and most of the energy is used. A bad link is full of holes; very little of the effort you put into it goes toward what you want it to do.