My goal in designing the pro tunnel was a hull that generates maximum aerodynamic lift in a boat meeting the gt pro weight requirement of at least 650 lbs. (boat. Here’s a classic styled open fishing boat that lends itself to plywood construction. it features a wide beam, outboard well, stability at rest and can be customized. Free fishing boat plans, model fishing boat plans, model trawler plans, and blueprints of fishing vessels are under this category..