IVRESSE — ORC Rating | RegattaPages

GPH

668.9

OSN

648.9

LOA

11.2 m

Displacement

6391 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6834

Medium

0.9282

High

1.0804

Triple Offshore

Low

0.877

Medium

1.1406

High

1.2806

Boat Specifications

Dimensions

Length overall: 11.2 m
Beam: 3.65 m
Draft: 2.06 m
Displacement: 6391 kg
Crew weight: 480 kg
Wetted surface: 26.03 m²

Sails

Mainsail: 28.83 m²
Genoa: 32.56 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 101.71 m²

Design

Type: BALTIC 37
Builder: Baltic Yachts
Designer: Robert Ball
Year built: 1978

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.

6,41.9,4.218664,52,4.72,60,4.95,75,5.11,90,5.28,110,5.38,120,5.23,135,4.76,147,4.185195,150,4.05
8,40.4,4.937375,52,5.56,60,5.82,75,6.03,90,6.35,110,6.47,120,6.32,135,5.8,150,5.06,151.1,5.003058
10,40.7,5.579486,52,6.26,60,6.48,75,6.63,90,6.89,110,7,120,6.93,135,6.63,150,5.97,150.6,5.934249
12,40.4,6.040405,52,6.63,60,6.8,75,6.94,90,7.11,110,7.33,120,7.29,135,7.06,150,6.68,157.6,6.359878
14,39.5,6.246561,52,6.83,60,6.99,75,7.15,90,7.22,110,7.62,120,7.62,135,7.39,150,7.06,180,6.48
16,39.2,6.335938,52,6.94,60,7.12,75,7.32,90,7.38,110,7.82,120,7.94,135,7.74,150,7.37,180,6.92
20,39.5,6.376158,52,6.99,60,7.22,75,7.58,90,7.76,110,8.09,120,8.38,135,8.41,150,8.01,180,7.53

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.72	4.95	5.11	5.28	5.38	5.23	4.76	4.05
8	5.56	5.82	6.03	6.35	6.47	6.32	5.8	5.06
10	6.26	6.48	6.63	6.89	7	6.93	6.63	5.97
12	6.63	6.8	6.94	7.11	7.33	7.29	7.06	6.68
14	6.83	6.99	7.15	7.22	7.62	7.62	7.39	7.06
16	6.94	7.12	7.32	7.38	7.82	7.94	7.74	7.37
20	6.99	7.22	7.58	7.76	8.09	8.38	8.41	8.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.9°	3.14	147°	3.51
8	40.4°	3.76	151.1°	4.38
10	40.7°	4.23	150.6°	5.17
12	40.4°	4.6	157.6°	5.88
14	39.5°	4.82	180°	6.48
16	39.2°	4.91	180°	6.92
20	39.5°	4.92	180°	7.53

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