Bjørnstjerne — ORC Rating

GPH

584.7

OSN

569.5

LOA

12.93 m

Displacement

8998 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6919

Medium

0.9355

High

1.0769

Triple Offshore

Low

0.8973

Medium

1.1584

High

1.2923

Boat Specifications

Dimensions

Length overall: 12.93 m
Beam: 3.95 m
Draft: 2.2 m
Displacement: 8998 kg
Crew weight: 858 kg
Wetted surface: 35.67 m²

Sails

Mainsail: 53.95 m²
Genoa: 54.3 m²
Spinnaker: 117.71 m²
Asymmetric spinnaker: 0 m²

Design

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

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.

6,43.5,5.128386,52,5.7,60,6.05,75,6.35,90,6.3,110,5.95,120,5.78,135,5.22,144,4.697058,150,4.39
8,42,6.041891,52,6.77,60,7.1,75,7.34,90,7.33,110,7.21,120,7.05,135,6.43,148,5.648265,150,5.53
10,41.2,6.698432,52,7.43,60,7.66,75,7.83,90,7.85,110,7.91,120,7.82,135,7.41,150,6.54,150.5,6.514578
12,40.3,6.962397,52,7.69,60,7.91,75,8.11,90,8.17,110,8.31,120,8.25,135,7.96,150,7.39,154.5,7.157218
14,39.8,7.080719,52,7.8,60,8.02,75,8.3,90,8.43,110,8.67,120,8.67,135,8.36,150,7.93,166,7.327663
16,39.4,7.117589,52,7.85,60,8.08,75,8.42,90,8.68,110,8.92,120,9.11,135,8.79,150,8.3,180,7.7
20,39,7.167251,52,7.9,60,8.12,75,8.53,90,9.05,110,9.35,120,9.77,135,9.77,150,9.14,180,8.47

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.7	6.05	6.35	6.3	5.95	5.78	5.22	4.39
8	6.77	7.1	7.34	7.33	7.21	7.05	6.43	5.53
10	7.43	7.66	7.83	7.85	7.91	7.82	7.41	6.54
12	7.69	7.91	8.11	8.17	8.31	8.25	7.96	7.39
14	7.8	8.02	8.3	8.43	8.67	8.67	8.36	7.93
16	7.85	8.08	8.42	8.68	8.92	9.11	8.79	8.3
20	7.9	8.12	8.53	9.05	9.35	9.77	9.77	9.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.72	144°	3.8
8	42°	4.49	148°	4.79
10	41.2°	5.04	150.5°	5.67
12	40.3°	5.31	154.5°	6.46
14	39.8°	5.44	166°	7.11
16	39.4°	5.5	180°	7.7
20	39°	5.57	180°	8.47

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