BLAUMARINA I — ORC Rating

GPH

676.5

OSN

656.3

LOA

9.61 m

Displacement

3554 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6035

Medium

0.8121

High

0.9161

Triple Offshore

Low

0.7762

Medium

1.0028

High

1.1072

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.92 m
Displacement: 3554 kg
Crew weight: 225 kg
Wetted surface: 20.85 m²

Sails

Mainsail: 24.59 m²
Genoa: 27.59 m²
Spinnaker: 59.28 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 31.7
Builder: BENETEAU
Designer: FINOT
Year built: 1998
Stability index: 110.9

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.

6,43,4.443814,52,4.93,60,5.18,75,5.35,90,5.25,110,5.17,120,5.01,135,4.48,145.7,3.958367,150,3.77
8,40.8,5.20479,52,5.82,60,6.05,75,6.22,90,6.17,110,6.25,120,6.12,135,5.6,149.6,4.881082,150,4.86
10,39.9,5.657191,52,6.32,60,6.54,75,6.72,90,6.72,110,6.89,120,6.82,135,6.45,150,5.8,152.4,5.675897
12,39.6,5.840263,52,6.54,60,6.77,75,6.99,90,7.07,110,7.29,120,7.27,135,7,150,6.53,157.7,6.203999
14,39.6,5.918133,52,6.62,60,6.86,75,7.17,90,7.32,110,7.61,120,7.66,135,7.43,150,7.02,169.4,6.450068
16,40,5.965711,52,6.66,60,6.91,75,7.26,90,7.53,110,7.82,120,8.02,135,7.85,150,7.42,177.2,6.848176
20,41.1,5.958357,52,6.65,60,6.93,75,7.35,90,7.79,110,8.14,120,8.56,135,8.78,150,8.27,178.4,7.612968

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.18	5.35	5.25	5.17	5.01	4.48	3.77
8	5.82	6.05	6.22	6.17	6.25	6.12	5.6	4.86
10	6.32	6.54	6.72	6.72	6.89	6.82	6.45	5.8
12	6.54	6.77	6.99	7.07	7.29	7.27	7	6.53
14	6.62	6.86	7.17	7.32	7.61	7.66	7.43	7.02
16	6.66	6.91	7.26	7.53	7.82	8.02	7.85	7.42
20	6.65	6.93	7.35	7.79	8.14	8.56	8.78	8.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.25	145.7°	3.27
8	40.8°	3.94	149.6°	4.21
10	39.9°	4.34	152.4°	5.03
12	39.6°	4.5	157.7°	5.74
14	39.6°	4.56	169.4°	6.34
16	40°	4.57	177.2°	6.84
20	41.1°	4.49	178.4°	7.61

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