Affordable sail and power catamarans plans designed for simple constuction and low cost epoxy/plywood/fiberglass, free online study plans. This boat is easy to build using our downloadable boat plans. our boat plans are available for instant download so you can start building right away.. 16′ mckenzie river driftboat. plans and construction manual . on the green river near little hole for the april blue winged olive frenzy…..