Your guess is as good as mine, I think if the joint is fully connected the energy transfers on the outside of the cue anyways. If there is a flush connection I would think the pin length would have more to do with it since it would hinder the cue flexing at that point.
But I am far from a phycisist (shoot, I can't even spell it) or engineer.
But I am far from a phycisist (shoot, I can't even spell it) or engineer.