Free boat plans from "science and mechanics", "boat builder handbook" and other very old magazines. trouble viewing? try the low band width index.. Note the classic barrelback transom just like the original boats of the past, and it’s easy to build using our plans especially intended for do-it-yourself builders. All plans come with a full set of pdf files (adobe reader files) from the parts themselves to the general arrangement plan. all individual parts are full size and.