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Construction Sequence

Kalostyn was designed as the subject matter of a book that I had planned to write called, 'How to design a boat using SketchUp 3D software'. I created a design that had lots of curves in order to demonstrate how to put these curved forms into a 3D model, and then create and export the the framing and flattened hull panels.

I have yet to write that book!

The design intent was for a hull that would perform reasonably well on low horsepower. I had about 15hp in mind. The transom is designed to take a long shaft motor.


Length 14' 0"

Beam 5' 6"

Bare Hull Weight 310 lbs


Power Requirement - about 15 hp at 940 lb displacement which is the approximate weight when loaded with 3 people, engine and ancilliaries.


List of Materials

Marine Plywood:


1 sheet


4 sheets


6 sheets

1 1/2" square timber for the temporary supports

about 20'

3/4" square timber for batten fixings

about 50'

Note: less will be required if all joints are taped and epoxy resin jointed

50 yard roll of 3" glass tape

12 yards of glass cloth to cover the hull

2 gallons of epoxy resin

About 5 pounds of resin thickening powder

Styrofoam or empty plastic bottles for the flotation