Contest 31

Description

The Contest 31, built by Contest Yachts (Conyplex) in Medemblik, Netherlands, is a classic fiberglass monohull sailboat designed by Uus van Essen and produced between 1971 and 1974. Approximately 110 units were built, making it a relatively rare model known for its robust construction, seaworthiness, and suitability for coastal and short offshore cruising.

Construction Details

Designer Uus van Essen
Builder Contest Yachts
Length 31.000 ft
LOA 31.160 ft
LWL 23.420 ft
Beam 9.330 ft
Displacement 10500 lb
Max Draft 4.600 ft
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The standard boat dimensions

i 36.20 ft
j 12.30 ft
p 29.70 ft
e 11 ft
p2 -
e2 -

Sails

Sail Type MAINSAIL
Luff * 34.28 ft - (10449 mm)
Foot * 9.68 ft - (2950 mm)
Leech * 35.09 ft - (10695 mm)
Tack Angle * 88 °
Diagonal * 35.29 ft - (10756 mm)
Head (inches) * 4.5 in - (114 mm)
Area * 171.39 ft²
Sail Type JIBSAIL
Luff * 28.83 ft - (8787 mm)
Foot * 18.52 ft - (5645 mm)
Leech * 24.09 ft - (7343 mm)
Percentage LP * 115.02 %
Length Perpendicular * 15.39 ft - (4691 mm)
Deck Angle * 11.99 °
Area * 221.88 ft²
Sail Type GENOA
Luff * 34.23 ft - (10433 mm)
Foot * 22.29 ft - (6794 mm)
Leech * 31.7 ft - (9662 mm)
Percentage LP * 150 %
Length Perpendicular * 20.07 ft - (6117 mm)
Deck Angle * 3.98 °
Area * 343.53 ft²
Sail Type ASYMMETRICAL
Luff * 34.23 ft - (10433 mm)
Foot * 22.08 ft - (6730 mm)
Leech * 31.49 ft - (9598 mm)
Perc LP * 165 %
Area * 567 ft²
Sail Type SPINNAKER
Stays * 34.23 ft - (10433 mm)
MidGirth * 24.08 ft - (7340 mm)
Foot * 24.08 ft - (7340 mm)
Perc LP * 180 %
Area * 701 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.