HORSMA — ORC Rating | RegattaPages

GPH

689.5

OSN

670.9

LOA

9.25 m

Displacement

3801 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.587

Medium

0.7973

High

0.9159

Triple Offshore

Low

0.7632

Medium

0.9819

High

1.0913

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 2.81 m
Draft: 1.86 m
Displacement: 3801 kg
Crew weight: 400 kg
Wetted surface: 20.24 m²

Sails

Mainsail: 25.46 m²
Genoa: 16.59 m²
Spinnaker: 58.14 m²
Asymmetric spinnaker: 0 m²

Design

Type: Sunwind 30
Builder: OY Sunwind
Designer: Rogeberg
Year built: 1989
Stability index: 127.2

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.

6,43.6,4.405032,52,4.9,60,5.2,75,5.47,90,5.44,110,5.1,120,4.92,135,4.37,146,3.811649,150,3.65
8,41.7,5.143053,52,5.76,60,6.02,75,6.24,90,6.26,110,6.12,120,5.98,135,5.42,150,4.7,150.5,4.676249
10,40.2,5.577405,52,6.23,60,6.43,75,6.62,90,6.68,110,6.67,120,6.59,135,6.27,150,5.62,152,5.526942
12,39.6,5.78835,52,6.43,60,6.64,75,6.86,90,6.95,110,7.01,120,6.97,135,6.73,150,6.33,159.5,5.978612
14,38.4,5.856882,52,6.52,60,6.74,75,7.03,90,7.18,110,7.31,120,7.29,135,7.08,150,6.75,173.6,6.218756
16,38.2,5.929833,52,6.58,60,6.8,75,7.13,90,7.38,110,7.56,120,7.61,135,7.42,150,7.08,179,6.621008
20,38.4,5.971723,52,6.64,60,6.86,75,7.25,90,7.64,110,8.02,120,8.17,135,8.14,150,7.73,179,7.241103

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.2	5.47	5.44	5.1	4.92	4.37	3.65
8	5.76	6.02	6.24	6.26	6.12	5.98	5.42	4.7
10	6.23	6.43	6.62	6.68	6.67	6.59	6.27	5.62
12	6.43	6.64	6.86	6.95	7.01	6.97	6.73	6.33
14	6.52	6.74	7.03	7.18	7.31	7.29	7.08	6.75
16	6.58	6.8	7.13	7.38	7.56	7.61	7.42	7.08
20	6.64	6.86	7.25	7.64	8.02	8.17	8.14	7.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.19	146°	3.16
8	41.7°	3.84	150.5°	4.07
10	40.2°	4.26	152°	4.88
12	39.6°	4.46	159.5°	5.6
14	38.4°	4.59	173.6°	6.18
16	38.2°	4.66	179°	6.62
20	38.4°	4.68	179°	7.24

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