Visit http://www.boatplansideas.com to find useful information on boat plans if you want to start to build a boat. find articles on wooden boat, classic. The "dillon mini tunnel" gt pro racing tunnelboat. redesigned for 2014 see the new plans. also available: cockpit plans can be adapted to the mini tunnel. View tunnel hull boat plans for the seabright 21, a shallow draft, atkins style tunnel boat. see our plywood version of this tunnel boat design at bateau!.