Home / boat plans & kits catalog / outboards / 16′ tunnel king – tunnel hull: tunnel king racing tunnel hulls tunnel king is easy when you use glen-l plans. Racing tunnelboat plans. i am currently offering plans for six tunnel boats, small racing tunnelboat. i raced that boat in our mini gt class in 2006,. Home / boat plans & kits catalog / outboards / 10′ tunnel mite – tunnel hull: tunnel mite world’s racing circuit. the high speed hull tunnel mite plans.