CAPTAIN JACK — ORC Rating

GPH

608.1

OSN

591.5

LOA

10.757 m

Displacement

5052 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6804

Medium

0.9047

High

1.0166

Triple Offshore

Low

0.8732

Medium

1.1092

High

1.2261

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.13 m
Displacement: 5052 kg
Crew weight: 640 kg
Wetted surface: 26.18 m²

Sails

Mainsail: 36.97 m²
Genoa: 41.47 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 104.85 m²

Design

Type: J-109
Builder: J-Composite
Designer: Johnstone
Year built: 2001
Stability index: 118.2

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.

6,42.6,4.877074,52,5.45,60,5.76,75,6,90,5.92,110,5.87,120,5.72,135,5.17,144.8,4.674813,150,4.41
8,41.4,5.78581,52,6.46,60,6.71,75,6.87,90,6.88,110,6.99,120,6.88,135,6.39,147.9,5.65444,150,5.53
10,39.9,6.387151,52,7.01,60,7.17,75,7.28,90,7.36,110,7.51,120,7.45,135,7.17,148.8,6.581991,150,6.51
12,38.2,6.566081,52,7.22,60,7.39,75,7.56,90,7.6,110,7.93,120,7.91,135,7.63,150,7.12,150.5,7.089056
14,37.6,6.664229,52,7.31,60,7.49,75,7.77,90,7.9,110,8.27,120,8.4,135,8.1,150,7.46,152.9,7.267925
16,37.2,6.70408,52,7.36,60,7.56,75,7.9,90,8.17,110,8.52,120,8.86,135,8.62,150,7.76,174.5,7.012283
20,36.9,6.777672,52,7.42,60,7.6,75,8.04,90,8.54,110,8.96,120,9.49,135,9.88,150,8.48,176.6,7.693542

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.45	5.76	6	5.92	5.87	5.72	5.17	4.41
8	6.46	6.71	6.87	6.88	6.99	6.88	6.39	5.53
10	7.01	7.17	7.28	7.36	7.51	7.45	7.17	6.51
12	7.22	7.39	7.56	7.6	7.93	7.91	7.63	7.12
14	7.31	7.49	7.77	7.9	8.27	8.4	8.1	7.46
16	7.36	7.56	7.9	8.17	8.52	8.86	8.62	7.76
20	7.42	7.6	8.04	8.54	8.96	9.49	9.88	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.59	144.8°	3.82
8	41.4°	4.34	147.9°	4.79
10	39.9°	4.9	148.8°	5.63
12	38.2°	5.16	150.5°	6.17
14	37.6°	5.28	152.9°	6.47
16	37.2°	5.34	174.5°	6.98
20	36.9°	5.42	176.6°	7.68

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