This model is the first in bluejacket’s new line of "great american work boats". it is designed for the less experienced builder and is popularly priced.. S.s. jermiah o’brien – liberty ship. model boat kit ready to purchase online from blue jacket shipcrafters, inc. model boat kits since 1905.. How fast does it go? for estimating the speed for small outboard planing boats see planing speed boat chart. this chart should be used for general estimates only. joe carozzoni offered a suggestion – when builders list the engine (.e.g cid/hp) and propeller size/pitch – it’s not much help unless they give a.