Good call, Guy, for the PLS-10, but isn't the other red line going toward a tubular shaped object? However the PW-12 does match up with the objects that encircle the pvc tube further back. I am going to be following this thread or a future of of E=MC2's because I have always loved the SuperSwift and am planning on building this in the future.
Even though I'm not the OP, you have helped me and I thank you for that.
TazMan2000