"the 40′ tugboat – take five was delivered to us in rotterdam, holland. we sailed the boat home to norway crossing the north sea. i must really approve this design.. Sam devlin designs that are primarily motor powered, from smallest to largest. you can find everything from duckboats to cruising yachts here.. Designers, plans & kits a to m: 16′ mckenzie river driftboat plans and construction manual (from altair industries) ace marine ltd. (low cost naval architecture.