Marblehead Gunning Dory 18'

Description

The Marblehead Gunning Dory 18 is a classic double-ended rowing dory, a variant of the Chamberlain Gunning Dory originally designed around 1900 by William Henry Chamberlain of Marblehead, Massachusetts, for waterfowl hunting along the New England coast. Naval architect John Gardner, who measured an original in 1942, praised it as the "handsomest of all pulling dories" and the "ultimate embodiment of perfection of form and function" in his books The Dory Book (1975) and Building Classic Small Craft (1977–1996 editions). Gardner's plans, detailed with lines, offsets, and construction notes, popularized it for amateur builders, emphasizing its rugged yet lightweight design for rowing to rocky ledges, beaching, and handling blustery conditions. The 18' version stems from adaptations by builders like Gerald Smith (17' REPUBLICAN in 1960) and Walter Wales (18' INDEPENDENT in 1970), who used Chamberlain's original molds and added features like a daggerboard for occasional sailing.

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

Construction Details

Designer William Henry Chamberlain
Length 18.000 ft
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The standard boat dimensions

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

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Sails

Sail Type MAINSAIL
Luff 11.75 ft - (3581 mm)
Foot 11.75 ft - (3581 mm)
Leech 13.79 ft - (4203 mm)
Tack Angle * 71.14 °
Diagonal 13.67 ft - (4167 mm)
Head (inches) 2 in - (51 mm)
Area * 66.12 ft²
Sail Type JIBSAIL
Luff 7.5 ft - (2286 mm)
Foot 4.25 ft - (1295 mm)
Leech 6.67 ft - (2033 mm)
Length Perpendicular * 3.76 ft - (1146 mm)
Area * 14.09 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.