YACHT ROCK — ORC Rating

GPH

656.5

OSN

634.1

LOA

9.798 m

Displacement

4800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6171

Medium

0.8486

High

0.9795

Triple Offshore

Low

0.7921

Medium

1.0354

High

1.1609

Boat Specifications

Dimensions

Length overall: 9.798 m
Beam: 3.33 m
Draft: 2.11 m
Displacement: 4800 kg
Crew weight: 480 kg
Wetted surface: 24.01 m²

Sails

Mainsail: 28.28 m²
Genoa: 30.27 m²
Spinnaker: 80.78 m²
Asymmetric spinnaker: 68.58 m²

Design

Type: Beneteau First 337
Builder: Beneteau
Designer: Berret - Racoupeau
Year built: 1996
Stability index: -1

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.

4,43.3,3.24277,52,3.68,60,3.9,75,4.03,90,3.89,110,3.91,120,3.77,135,3.33,146,2.858737,150,2.74
6,43.3,4.46568,52,4.95,60,5.2,75,5.36,90,5.31,110,5.37,120,5.19,135,4.67,146,4.137328,150,3.96
8,40.8,5.23121,52,5.84,60,6.08,75,6.24,90,6.34,110,6.44,120,6.28,135,5.79,150,5.06,150.5,5.032425
10,39.4,5.784659,52,6.43,60,6.61,75,6.75,90,6.93,110,7.03,120,6.93,135,6.62,150,6,152.5,5.87366
12,38.1,6.112322,52,6.77,60,6.92,75,7.05,90,7.25,110,7.41,120,7.33,135,7.11,150,6.71,159.3,6.339235
14,37.3,6.260422,52,6.94,60,7.1,75,7.28,90,7.45,110,7.75,120,7.7,135,7.5,150,7.14,165.9,6.701915
16,37,6.323285,52,7.01,60,7.2,75,7.45,90,7.59,110,8.06,120,8.05,135,7.88,150,7.5,172.7,6.986631
20,37.1,6.356698,52,7.07,60,7.28,75,7.64,90,7.93,110,8.49,120,8.76,135,8.68,150,8.23,176.8,7.611869
24,38.1,6.353765,52,7.05,60,7.29,75,7.72,90,8.15,110,8.79,120,9.37,135,9.76,150,9.13,175.4,8.286692

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
4	3.68	3.9	4.03	3.89	3.91	3.77	3.33	2.74
6	4.95	5.2	5.36	5.31	5.37	5.19	4.67	3.96
8	5.84	6.08	6.24	6.34	6.44	6.28	5.79	5.06
10	6.43	6.61	6.75	6.93	7.03	6.93	6.62	6
12	6.77	6.92	7.05	7.25	7.41	7.33	7.11	6.71
14	6.94	7.1	7.28	7.45	7.75	7.7	7.5	7.14
16	7.01	7.2	7.45	7.59	8.06	8.05	7.88	7.5
20	7.07	7.28	7.64	7.93	8.49	8.76	8.68	8.23
24	7.05	7.29	7.72	8.15	8.79	9.37	9.76	9.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
4	43.3°	2.36	146°	2.37
6	43.3°	3.25	146°	3.43
8	40.8°	3.96	150.5°	4.38
10	39.4°	4.47	152.5°	5.21
12	38.1°	4.81	159.3°	5.93
14	37.3°	4.98	165.9°	6.5
16	37°	5.05	172.7°	6.93
20	37.1°	5.07	176.8°	7.6
24	38.1°	5	175.4°	8.26

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