Http://woodenboatdesigns.aedvz.com the most impresionant collection of wood boats plans that exists and really works!!! building a wooden jon boat. This is pt-728, a 66 1/2 year-old restored patrol torpedo boat from world war ii. with a keel laid on august 10, 1945, she is one of 12 remaining pt boats in the. About. this is a resource site by jeff davidson for the building details of an elco 80′ world war ii motor torpedo boat (mtb) / patrol torpedo (pt) boat with leanings.