Greg Raleigh from Wisconsin has constructed a hollow, classic, and beautiful wooden spinnaker pole for his SS23. The details of the pole and the story of its construction is listed on this website under “Technical”.
Here is the link to the article:
http://www.seaspriteassociation.com/technical/sea-sprite-23/building-a-wooden-spinaker-pole/
Here are some pictures to whet your appetite: