Making a boat trailer for a small boat is a simple and easy building project. jon boats, and other similar small boats, are well known for their use in duck hunting. Diy boat trailer plans. for fisherman or duck hunter, they usually need boat trailer to carry the boat along the road. although we can always purchase. Welcome to trailersauce.co.nz. welcome to trailersauce, your guide for all you need to know about building a new trailer, buying a trailer or maintaining your.