SEVEN J SEVEN — ORC Rating

GPH

610.2

OSN

593.7

LOA

10.757 m

Displacement

4997 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6754

Medium

0.8991

High

1.0073

Triple Offshore

Low

0.8709

Medium

1.1058

High

1.2191

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.13 m
Displacement: 4997 kg
Crew weight: 560 kg
Wetted surface: 25.85 m²

Sails

Mainsail: 37.6 m²
Genoa: 31.85 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 116.5 m²

Design

Type: J-109
Builder: J-Composite
Designer: Johnstone
Year built: 2001
Stability index: 119.2

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.

6,42.4,4.79379,52,5.37,60,5.64,75,5.94,90,6.17,110,5.98,120,5.78,135,5.17,143.9,4.690653,150,4.38
8,40.6,5.676495,52,6.34,60,6.56,75,6.86,90,7.06,110,7,120,6.91,135,6.42,147.8,5.660646,150,5.53
10,38.8,6.197568,52,6.89,60,7.06,75,7.25,90,7.5,110,7.53,120,7.5,135,7.21,148.5,6.60302,150,6.51
12,37.8,6.429118,52,7.15,60,7.32,75,7.48,90,7.77,110,7.91,120,7.95,135,7.71,150,7.15,150.1,7.151947
14,37.2,6.515763,52,7.25,60,7.44,75,7.69,90,7.94,110,8.27,120,8.36,135,8.19,150,7.52,150.7,7.465003
16,37.6,6.626365,52,7.32,60,7.52,75,7.83,90,8.09,110,8.6,120,8.74,135,8.67,150,7.85,173.6,7.043898
20,37.8,6.682233,52,7.38,60,7.6,75,7.99,90,8.38,110,9.15,120,9.45,135,9.94,150,8.55,175.7,7.761849

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.37	5.64	5.94	6.17	5.98	5.78	5.17	4.38
8	6.34	6.56	6.86	7.06	7	6.91	6.42	5.53
10	6.89	7.06	7.25	7.5	7.53	7.5	7.21	6.51
12	7.15	7.32	7.48	7.77	7.91	7.95	7.71	7.15
14	7.25	7.44	7.69	7.94	8.27	8.36	8.19	7.52
16	7.32	7.52	7.83	8.09	8.6	8.74	8.67	7.85
20	7.38	7.6	7.99	8.38	9.15	9.45	9.94	8.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.54	143.9°	3.79
8	40.6°	4.31	147.8°	4.79
10	38.8°	4.83	148.5°	5.63
12	37.8°	5.08	150.1°	6.2
14	37.2°	5.19	150.7°	6.51
16	37.6°	5.25	173.6°	7
20	37.8°	5.28	175.7°	7.74

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