Bjørnstjerne — ORC Rating

GPH

581.6

OSN

565.8

LOA

12.93 m

Displacement

8998 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7011

Medium

0.9424

High

1.0792

Triple Offshore

Low

0.9063

Medium

1.1629

High

1.293

Boat Specifications

Dimensions

Length overall: 12.93 m
Beam: 3.95 m
Draft: 2.2 m
Displacement: 8998 kg
Crew weight: 840 kg
Wetted surface: 35.58 m²

Sails

Mainsail: 54.05 m²
Genoa: 54.3 m²
Spinnaker: 117.71 m²
Asymmetric spinnaker: 105.11 m²

Design

Type: X-43
Builder: X-Yachts
Designer: Niels Jeppesen
Year built: 2003
Stability index: 121.7

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.

6,43.2,5.281434,52,5.89,60,6.2,75,6.42,90,6.3,110,5.97,120,5.78,135,5.16,141.5,4.778892,150,4.32
8,41.4,6.199082,52,6.9,60,7.16,75,7.33,90,7.28,110,7.2,120,7.03,135,6.43,147.8,5.648828,150,5.52
10,40,6.696739,52,7.45,60,7.66,75,7.82,90,7.82,110,7.9,120,7.8,135,7.37,150,6.56,151.4,6.469374
12,39.3,6.913572,52,7.67,60,7.9,75,8.11,90,8.17,110,8.34,120,8.28,135,7.96,150,7.39,155.9,7.087815
14,38.8,7.018778,52,7.79,60,8.01,75,8.29,90,8.44,110,8.7,120,8.7,135,8.4,150,7.94,164,7.396529
16,38.7,7.085834,52,7.86,60,8.09,75,8.41,90,8.67,110,9,120,9.1,135,8.83,150,8.36,175.4,7.71485
20,38.8,7.147092,52,7.92,60,8.16,75,8.56,90,8.98,110,9.43,120,9.86,135,9.76,150,9.2,179,8.501295

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.89	6.2	6.42	6.3	5.97	5.78	5.16	4.32
8	6.9	7.16	7.33	7.28	7.2	7.03	6.43	5.52
10	7.45	7.66	7.82	7.82	7.9	7.8	7.37	6.56
12	7.67	7.9	8.11	8.17	8.34	8.28	7.96	7.39
14	7.79	8.01	8.29	8.44	8.7	8.7	8.4	7.94
16	7.86	8.09	8.41	8.67	9	9.1	8.83	8.36
20	7.92	8.16	8.56	8.98	9.43	9.86	9.76	9.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.85	141.5°	3.74
8	41.4°	4.65	147.8°	4.78
10	40°	5.13	151.4°	5.68
12	39.3°	5.35	155.9°	6.47
14	38.8°	5.47	164°	7.11
16	38.7°	5.53	175.4°	7.69
20	38.8°	5.57	179°	8.5

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