goose, i couldnt get your site based on that. im sure i just typed something wrong.
To create a plane at an angle you need a plane as a reverence and either an edge or an axis(which could be 2 points). Out of curiosity are you trying to rotate the plane at the end of your helix? What are you trying to draw here with the helix? there are other ways if you are trying to draw a spring or something similar.