Viking boat scale model plans. here are two sets of viking long ship scale model boat plans. there were several kinds of boats similar to this in different sizes and. Scroll down this page for many more plans. this a page of links to some favourite free boat plans at intheboatshed.net. they’ve been chosen because they are derived. Many boat plans are offered online. at first everything is very confusing, then you start to get some idea of the different types of boats available. free is not.