Available now via instant download. start your boatbuilding project today! i am currently offering plans for six tunnel boats, as seen in the photos displayed above. please follow the links under the photos to make a purchase, or to find further information about the individual designs. in the beginning….. A word about racing runabouts modifying the motorwell on small boats transom size how to figure finished size of a transom when the pattern shows only the minimum dimension. i-o option for lazy daze, vera cruise & similar designs about our plans & kits. Find great deals on ebay for racing boat plans. shop with confidence. skip to main content. ebay logo: shop by category. remote control boat plans diy rc racing boat model ship sailboat outdoor toy. brand new · hydroplane. $9.99. from canada. buy it now. free shipping. sponsored..