Quote Originally Posted by cmc4free View Post
Kind of hard to say, and it's going to vary from situation to situation. Each tree (and therefore each strap) is going to be under a different load depending on the respective length of each leg and the weight of the person hanging from it. I don't believe the forces will equalize just because the center point where the straps come together is not fixed. Then again, I could be wrong. I am an engineer, but more of a practical or intuitive one than one who's great at drawing free body diagrams and doing calculations. Perhaps that means I'm "not a very good engineer."
Your intuitive is correct. The strap load should equalize. This is the movement issue discussed above. One person gets up, and the other two drop, changing the individual hang angles until all is equal.

Perhaps that means I'm "not a very good engineer." --- It means manager or consultant.