SILKE — ORC Rating | RegattaPages

GPH

653.9

OSN

634.2

LOA

10.114 m

Displacement

4533 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6148

Medium

0.8434

High

0.9708

Triple Offshore

Low

0.7953

Medium

1.039

High

1.1633

Boat Specifications

Dimensions

Length overall: 10.114 m
Beam: 3.33 m
Draft: 2.09 m
Displacement: 4533 kg
Crew weight: 540 kg
Wetted surface: 23.96 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

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.

6,43.1,4.464761,52,5,60,5.31,75,5.55,90,5.49,110,5.33,120,5.16,135,4.66,146,4.113203,150,3.94
8,41.2,5.236473,52,5.93,60,6.23,75,6.47,90,6.46,110,6.46,120,6.3,135,5.75,150,4.999853
10,40.5,5.89159,52,6.58,60,6.79,75,6.94,90,7.02,110,7.08,120,6.99,135,6.63,150,5.91,152,5.810084
12,39.4,6.224655,52,6.88,60,7.05,75,7.22,90,7.34,110,7.46,120,7.39,135,7.13,150,6.67,157,6.355208
14,38.8,6.325882,52,6.99,60,7.18,75,7.42,90,7.53,110,7.82,120,7.79,135,7.49,150,7.12,174,6.525749
16,38.6,6.359398,52,7.04,60,7.24,75,7.57,90,7.79,110,8.18,120,8.21,135,7.9,150,7.47,180,6.98
20,39.4,6.379948,52,7.04,60,7.27,75,7.68,90,8.17,110,8.61,120,9,135,8.81,150,8.25,180,7.67

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5	5.31	5.55	5.49	5.33	5.16	4.66	3.94
8	5.93	6.23	6.47	6.46	6.46	6.3	5.75	5
10	6.58	6.79	6.94	7.02	7.08	6.99	6.63	5.91
12	6.88	7.05	7.22	7.34	7.46	7.39	7.13	6.67
14	6.99	7.18	7.42	7.53	7.82	7.79	7.49	7.12
16	7.04	7.24	7.57	7.79	8.18	8.21	7.9	7.47
20	7.04	7.27	7.68	8.17	8.61	9	8.81	8.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.26	146°	3.41
8	41.2°	3.94	150°	4.33
10	40.5°	4.48	152°	5.13
12	39.4°	4.81	157°	5.85
14	38.8°	4.93	174°	6.49
16	38.6°	4.97	180°	6.98
20	39.4°	4.93	180°	7.67

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