20' Spritsail - Dorothy

Description

The 20' Spritsail - Dorothy is a traditional small craft sailboat designed by John Gardner, a renowned American boatbuilder and historian known for his work preserving and documenting classic wooden boat designs. This sailboat is featured in Gardner’s book Building Classic Small Craft and is part of his efforts to provide detailed plans for amateur boatbuilders. The Dorothy is a spritsail-rigged vessel, characterized by its simple, four-sided sail supported by a diagonal sprit, offering a clear deck and ease of handling. The Lugsail rig is shown here. There was also a jib and spritsail rig as indicated below.

Custom sail calculations are not possible for this boat as no I, J, P and E dimensions are available.

Construction Details

Designer John Gardner
Length 20.000 ft
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The standard boat dimensions

i -
j -
p -
e -
p2 -
e2 -

Sails

Sail Type JIBSAIL
Luff 12.75 ft - (3886 mm)
Foot 6.5 ft - (1981 mm)
Leech 9.75 ft - (2972 mm)
Length Perpendicular * 4.87 ft - (1484 mm)
Area * 31.05 ft²
Sail Type JIBSAIL
Luff 13.5 ft - (4115 mm)
Foot 7.25 ft - (2210 mm)
Leech 11 ft - (3353 mm)
Length Perpendicular * 5.9 ft - (1798 mm)
Area * 39.82 ft²
Sail Type SPRIT
Luff 10.75 ft - (3277 mm)
Foot 10 ft - (3048 mm)
Leech 15.75 ft - (4801 mm)
Tack Angle * 82.92 °
Diag (clew/throat) 13.75 ft - (4191 mm)
Head 8 ft - (2438 mm)
Area * 108.33 ft²
Sail Type SPRIT
Luff 12 ft - (3658 mm)
Foot 10.5 ft - (3200 mm)
Leech 15.33 ft - (4673 mm)
Tack Angle * 78.81 °
Diag (clew/throat) 14.33 ft - (4368 mm)
Head 8 ft - (2438 mm)
Area * 118.47 ft²

Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite.