Construction Sequence

'Mia' is a 12 foot runabout, Her design is inspired by William Jackson's 1955 design for the 'Ace' which was produced by the Sande Boat Works between 1956 and 1962 (www.sandeace.com).

This design differs from those of the period in that it is to be constructed in the tape and epoxy resin method.

By designing the boat with 3D modeling software it has been possible to produce accurate dimensioned drawings and templates of all of the boat's components.

As a result, the boat has been designed so that all components, including seat frames, deck and hull panels combine to form a strong monocoque structure.

The boat is designed for short shaft outboard engines. 10 hp should get her on the plane with one person on board, 25 hp is the preferred engine size.

In addition to plans and a construction manual, full size template drawings of all major components are also available separately.


Mia Specifications

Length 12'

Beam 5' 4"

Empty Hull Weight 250 lbs

Suggested Horsepower 25


List of Materials

Marine Plywood:

1/2"x4'x8' (12mmx1220mmx2440mm)

3 sheets

3/8"x4'x8' (12mmx1220mmx2440mm)

2 sheets

1/4"x4'x8' (12mmx1220mmx2440mm)

4 sheets

1 1/2" square timber for the bottom skids

2 pieces 8' (2440mm) long

1 1/2" square timber for the temporary supports

about 40' (13m)

1 1/2"x3/4" timber for the coaming, gunwales, seat supports and deck supports

about 90' (28m)

2"x1" timber for the rear seat back braces


50 yard roll (45m) of 3" (75mm) glass tape

8 yards of glass cloth to cover the bottom of the hull

If you plan to cover the whole hull get 12 yards

Two gallons (9 liters) of epoxy resin

About 5 pounds (2 kg) of resin thickening powder

2 sheets of 8'x4' (1220mmx2440mm) Styrofoam for the flotation