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 |
The standard boat dimensions
| i | 36.20 ft |
|---|---|
| j | 12.30 ft |
| p | 29.70 ft |
| e | 11 ft |
| p2 | - |
| e2 | - |
| I | J | P | E | P2 | E2 |
|---|---|---|---|---|---|
| 36.20 ft | 12.30 ft | 29.70 ft | 11 ft | - | - |
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.