Cal 39 Mk Iii

Description

Launched in 1983 and produced through 1989, the Cal 39 Mk III further refined the design for cruising comfort and performance, with production continuing until 1989. It maintained Lapworth’s signature balance of speed and livability, though specific production numbers are less documented.

Construction Details

Designer C. William Lapworth
Length 39.000 ft
LOA 39.000 ft
LWL 32.080 ft
Beam 12.000 ft
Displacement 19000 lb
Max Draft 6.750 ft
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The standard boat dimensions

i 50 ft
j 16.67 ft
p 44 ft
e 13.75 ft
p2 18 ft
e2 6.38 ft

Sails

Sail Type MAINSAIL
Luff * 44 ft - (13411 mm)
Foot * 13.75 ft - (4191 mm)
Leech * 45.37 ft - (13829 mm)
Tack Angle * 88 °
Diagonal * 45.64 ft - (13911 mm)
Head (inches) * 6 in - (152 mm)
Area * 311.89 ft²
Sail Type JIBSAIL
Luff 44.5 ft - (13564 mm)
Foot 21.25 ft - (6477 mm)
Leech 38.5 ft - (11735 mm)
Percentage LP * 110.26 %
Length Perpendicular * 18.38 ft - (5602 mm)
Deck Angle * 11.7 °
Area * 408.9 ft²
Sail Type GENOA
Luff * 50.08 ft - (15264 mm)
Foot * 27.11 ft - (8263 mm)
Leech * 46.95 ft - (14310 mm)
Percentage LP * 150 %
Length Perpendicular * 25.05 ft - (7635 mm)
Deck Angle * 4.02 °
Area * 627.21 ft²
Sail Type GENOA
Luff 49.5 ft - (15088 mm)
Foot 24.33 ft - (7416 mm)
Leech 46 ft - (14021 mm)
Percentage LP * 134.73 %
Length Perpendicular * 22.46 ft - (6846 mm)
Deck Angle * 4.18 °
Area * 555.87 ft²
Sail Type ASYMMETRICAL
Luff 52 ft - (15850 mm)
Foot 28 ft - (8534 mm)
Leech 49 ft - (14935 mm)
Perc LP * 165 %
Area * 1092 ft²
Sail Type STORMJIB
Luff 26 ft - (7925 mm)
Foot 12.75 ft - (3886 mm)
Leech 20 ft - (6096 mm)
Perc LP * 57.35 %
Length Perp * 9.56 ft - (2914 mm)
Deck Angle * 22.97 °
Area * 124.31 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. The information on this site is not guaranteed to be accurate. Sailrite offers this content as a service to our community, but takes no responsibility for the reliability of the data provided.