BLAUMARINA I — ORC Rating

GPH

672.3

OSN

651.4

LOA

9.49 m

Displacement

3644 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6745

Medium

0.9249

High

1.0627

Triple Offshore

Low

0.8683

Medium

1.1387

High

1.2739

Boat Specifications

Dimensions

Length overall: 9.49 m
Beam: 3.22 m
Draft: 1.92 m
Displacement: 3644 kg
Crew weight: 370 kg
Wetted surface: 22.04 m²

Sails

Mainsail: 25.05 m²
Genoa: 28.23 m²
Spinnaker: 60.26 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 31.7
Builder: BENETEAU
Designer: FINOT
Year built: 1998

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.

6,42.4,4.319828,52,4.84,60,5.09,75,5.29,90,5.22,110,5.15,120,5,135,4.51,146.4,3.961959,150,3.81
8,41,5.1278,52,5.78,60,6.04,75,6.24,90,6.19,110,6.27,120,6.11,135,5.57,150,4.86,150.3,4.835192
10,40.3,5.756106,52,6.41,60,6.6,75,6.75,90,6.81,110,6.9,120,6.81,135,6.45,150,5.76,152,5.651525
12,39.4,6.056421,52,6.69,60,6.86,75,7.02,90,7.08,110,7.28,120,7.21,135,6.94,150,6.51,157.2,6.193978
14,38.8,6.133411,52,6.79,60,6.98,75,7.22,90,7.32,110,7.65,120,7.6,135,7.31,150,6.95,180,6.33
16,38.7,6.163266,52,6.83,60,7.03,75,7.36,90,7.57,110,7.93,120,8.03,135,7.72,150,7.29,180,6.82
20,39.2,6.181088,52,6.82,60,7.05,75,7.45,90,7.95,110,8.29,120,8.73,135,8.67,150,8.08,180,7.5

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.84	5.09	5.29	5.22	5.15	5	4.51	3.81
8	5.78	6.04	6.24	6.19	6.27	6.11	5.57	4.86
10	6.41	6.6	6.75	6.81	6.9	6.81	6.45	5.76
12	6.69	6.86	7.02	7.08	7.28	7.21	6.94	6.51
14	6.79	6.98	7.22	7.32	7.65	7.6	7.31	6.95
16	6.83	7.03	7.36	7.57	7.93	8.03	7.72	7.29
20	6.82	7.05	7.45	7.95	8.29	8.73	8.67	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.19	146.4°	3.3
8	41°	3.87	150.3°	4.2
10	40.3°	4.39	152°	4.99
12	39.4°	4.68	157.2°	5.71
14	38.8°	4.78	180°	6.33
16	38.7°	4.81	180°	6.82
20	39.2°	4.79	180°	7.5

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