SILKE — ORC Rating | RegattaPages

GPH

656.1

OSN

635.1

LOA

10.114 m

Displacement

4532 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6094

Medium

0.8424

High

0.9732

Triple Offshore

Low

0.7887

Medium

1.0378

High

1.1646

Boat Specifications

Dimensions

Length overall: 10.114 m
Beam: 3.33 m
Draft: 2.09 m
Displacement: 4532 kg
Crew weight: 540 kg
Wetted surface: 23.75 m²

Sails

Mainsail: 30.95 m²
Genoa: 32.37 m²
Spinnaker: 68.15 m²
Asymmetric spinnaker: 65.71 m²

Design

Type: FIRST 33.7
Builder: BENETEAU
Designer: J. BERRET
Year built: 1996
Stability index: 109

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,43.2,4.4172,52,4.95,60,5.26,75,5.49,90,5.42,110,5.3,120,5.12,135,4.61,145.7,4.091523,150,3.9
8,41.8,5.258385,52,5.9,60,6.2,75,6.43,90,6.42,110,6.45,120,6.27,135,5.71,150,4.97,150.2,4.96678
10,41.1,5.931817,52,6.57,60,6.77,75,6.93,90,7.01,110,7.07,120,6.98,135,6.61,150,5.91,152.3,5.782739
12,39.6,6.242592,52,6.88,60,7.05,75,7.21,90,7.34,110,7.46,120,7.39,135,7.12,150,6.67,156.8,6.375557
14,38.8,6.338713,52,6.99,60,7.19,75,7.42,90,7.53,110,7.85,120,7.79,135,7.49,150,7.13,168.2,6.60968
16,38.4,6.367286,52,7.05,60,7.25,75,7.57,90,7.79,110,8.21,120,8.23,135,7.91,150,7.48,178.4,6.972719
20,38.8,6.390039,52,7.06,60,7.29,75,7.7,90,8.19,110,8.65,120,9.09,135,8.85,150,8.29,178.4,7.662988

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.95	5.26	5.49	5.42	5.3	5.12	4.61	3.9
8	5.9	6.2	6.43	6.42	6.45	6.27	5.71	4.97
10	6.57	6.77	6.93	7.01	7.07	6.98	6.61	5.91
12	6.88	7.05	7.21	7.34	7.46	7.39	7.12	6.67
14	6.99	7.19	7.42	7.53	7.85	7.79	7.49	7.13
16	7.05	7.25	7.57	7.79	8.21	8.23	7.91	7.48
20	7.06	7.29	7.7	8.19	8.65	9.09	8.85	8.29

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.22	145.7°	3.38
8	41.8°	3.92	150.2°	4.31
10	41.1°	4.47	152.3°	5.12
12	39.6°	4.81	156.8°	5.86
14	38.8°	4.94	168.2°	6.47
16	38.4°	4.99	178.4°	6.97
20	38.8°	4.98	178.4°	7.66

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