This is where you can see his designs that are available as plans. protected waters of the northwest offer a myriad of uses for a seaworthy boat like sea swift.. Free motorboat plans for the backyard home builder, build your own speed boat, cabin cruiser, runabout or utility boat using these simple plywood designs.. Welcome to spira international home-built boat plans. dories, and other boat designs that are simple to build, rugged and seaworthy..
Some time back i helped construct a seaworthiness quiz for small craft advisor magazine. the quiz was designed to give the owners of small sailboats a. Building a catamaran houseboat - plans concerns in planning its design was making certain that if caught in bad weather that its hull design would be very seaworthy.. Boat designs available from mark smaalders yacht designs. custom and semi-custom designs in addition to offering plans for stock designs, sea lion:.