Caledonia Yawl -- Lug Rig

Description

The Caledonia Yawl, designed by Iain Oughtred, is a popular small sailboat known for its seaworthiness, versatility, and elegant traditional design. Introduced in 1988, it draws inspiration from the double-ended fishing boats of the Shetland Islands, particularly the sixareens and foureens, and is widely used for coastal cruising, rowing, and multi-day "raid" events. Built primarily by amateur constructors using glued-lapstrake plywood, it has become one of Oughtred’s best-selling designs. This particular rig features a balanced lug mainsail and a leg o'mutton mizzen sail. Iain Oughtred's Caledonia Yawl design offers multiple rig options, specifically: Balanced Lug: A simple, self-vanging rig that sets on an unstayed mast, making it easy to raise and strike. Gunter Yawl: A rig with a high-peaked gunter mainsail, often paired with a mizzen and jib, providing versatility for coastal sailing. Gaff Yawl: A traditional rig with a gaff-headed mainsail, also typically including a mizzen and jib, noted for its classic look and seaworthy performance. These three rig configurations are explicitly mentioned across sources for the Caledonia Yawl.

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

Construction Details

Designer Iain Oughtred
Length 19.500 ft
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The standard boat dimensions

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

Blueprints

Sails

Sail Type MIZZEN
Luff 11.25 ft - (3429 mm)
Foot 6 ft - (1829 mm)
Leech-AftHdBd 11.24 ft - (3426 mm)
Tack Ang * 74.43 °
Diag (clew/head) 11.24 ft - (3426 mm)
Head (inches) 2 in - (51 mm)
Area (no Roach) * 33.45 ft²
Sail Type LUGSAIL
Luff 8.33 ft - (2539 mm)
Foot 10.75 ft - (3277 mm)
Leech 18.167 ft - (5537 mm)
Tack Angle * 84.22 °
Diag (clew/throat) 12.92 ft - (3938 mm)
Head 12.83 ft - (3911 mm)
Area * 127.43 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.