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

0.7006

Medium

0.9426

High

1.081

Triple Offshore

Low

0.9058

Medium

1.1631

High

1.2941

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: 35.71 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: NielsJeppesen
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.

6,43.5,5.307604,52,5.88,60,6.2,75,6.42,90,6.3,110,5.97,120,5.77,135,5.16,141.2,4.798945,150,4.32
8,41.3,6.189567,52,6.9,60,7.16,75,7.33,90,7.28,110,7.2,120,7.03,135,6.42,147.2,5.674744,150,5.51
10,40,6.709793,52,7.45,60,7.66,75,7.82,90,7.82,110,7.9,120,7.8,135,7.36,150,6.55,150.8,6.495425
12,39.2,6.916624,52,7.68,60,7.9,75,8.11,90,8.17,110,8.33,120,8.28,135,7.96,150,7.38,155.4,7.093867
14,38.8,7.031609,52,7.79,60,8.01,75,8.29,90,8.44,110,8.7,120,8.69,135,8.39,150,7.94,162.8,7.432389
16,38.5,7.091672,52,7.86,60,8.09,75,8.41,90,8.66,110,9,120,9.09,135,8.82,150,8.35,175.4,7.694786
20,38.5,7.168338,52,7.94,60,8.18,75,8.59,90,8.98,110,9.41,120,9.84,135,9.73,150,9.17,178.1,8.49467
24,39.4,7.169353,52,7.94,60,8.21,75,8.68,90,9.2,110,9.7,120,10.4,135,10.92,150,10.17,177.9,9.266223

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.88	6.2	6.42	6.3	5.97	5.77	5.16	4.32
8	6.9	7.16	7.33	7.28	7.2	7.03	6.42	5.51
10	7.45	7.66	7.82	7.82	7.9	7.8	7.36	6.55
12	7.68	7.9	8.11	8.17	8.33	8.28	7.96	7.38
14	7.79	8.01	8.29	8.44	8.7	8.69	8.39	7.94
16	7.86	8.09	8.41	8.66	9	9.09	8.82	8.35
20	7.94	8.18	8.59	8.98	9.41	9.84	9.73	9.17
24	7.94	8.21	8.68	9.2	9.7	10.4	10.92	10.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.85	141.2°	3.74
8	41.3°	4.65	147.2°	4.77
10	40°	5.14	150.8°	5.67
12	39.2°	5.36	155.4°	6.45
14	38.8°	5.48	162.8°	7.1
16	38.5°	5.55	175.4°	7.67
20	38.5°	5.61	178.1°	8.49
24	39.4°	5.54	177.9°	9.26

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