Power catamaran boat plans & full size patterns this well proven power sailer cat is for those that prefer to build in fiberglass, this boat is easy to build in fiberglass and features cheap mold construction methods as pioneered by bruce roberts.. Power multihulls . these low-drag powerboats give a much better ride and require far less power than other types for target speeds of up to 2.5 to 3.0 times the vessel's hull speed.. Displacement power cats most of the large power catamarans that i see are designed by large design offices, and in my opinion, de-signed badly..
The boats were elegant and reasonably simple to build and 1000s of sets of plans were sold worldwide; every creek you went to there was a wharram. james and hanneke are still designing catamarans and many are still being built around the world.. Wharram self-build boat plans start from only £100. based on his research into ancient polynesian boat design, james wharram built the first off-shore catamaran in britain and sailed it out into the atlantic. while the world's yachting community were still dismissing such a design as a worthy sea-going vessel, james was landing his 23'6. Boat plans from hartley boats deliver more than just the excellently crafted plans and documents needed to build your own boat, they also deliver the opportunity to fulfil your dream of building, owning and sailing your own sail boat..