Problem with ray sensor in blender 2.49

Hello i have a problem with the ray sensor in blender 2.49. I have an empty and a plane, in this demo, when i move the plane the empty rotate. the problem is when i move the plane and shoot it the sensor dont detect it. I hope you can help me. I attached my demo so you can see in where is my mistake.

Attachments

demo1.blend (227 KB)