Pt boat plans for the famous pt 109 offered in 1:32, 1:24 and 1:16 scale – buy and download a relatively easy-to-build semi scale blueprint of an elco 80-footer.. Catamaran 36" plans here: http://www.modelbouw.gompy.net/boottekeningen/ (boat name: cat 36inch) materials: 3mm wood. aluminium panel. 200a brushless esc. This model was scratch built based on plans. 5 years to make, over 2 meters long, runs on 2 powerful electric 12 volt motors and 2 car batteries. because.