I got this idea from a friend, and I used the basic body from his idea and modified the mechanism myself. It shoots a wooden barbecue skewer five to ten feet. When you make it, please send me a picture. I used a recycled plank that was a bleacher from a high school gym.
Step 1: Parts
Here are the parts/things you need.
-chop saw (or hand tools)
-coping saw (hand tool)
-cable staples (those thinges that are like staples that go on cable
-long bolt with nut on the end