Growth Spurt — ORC Rating

GPH

610.6

OSN

595.4

LOA

10.757 m

Displacement

4941 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6629

Medium

0.8949

High

1.0152

Triple Offshore

Low

0.8645

Medium

1.1063

High

1.231

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.12 m
Displacement: 4941 kg
Crew weight: 768 kg
Wetted surface: 26.05 m²

Sails

Mainsail: 38.12 m²
Genoa: 29.55 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 119.17 m²

Design

Type: J-109
Builder: Pearson Composites
Designer: J Boats
Year built: 2001

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.

6,42.8,4.661116,52,5.23,60,5.54,75,6.08,90,6.32,110,6.1,120,5.83,135,5.2,144,4.709419,150,4.4
8,41.2,5.515574,52,6.22,60,6.58,75,6.99,90,7.16,110,7.06,120,6.96,135,6.45,148,5.624681,150,5.5
10,40.5,6.233512,52,6.86,60,7.04,75,7.35,90,7.57,110,7.56,120,7.5,135,7.22,148.2,6.624366,150,6.5
12,38.2,6.489731,52,7.17,60,7.32,75,7.53,90,7.88,110,7.97,120,7.98,135,7.67,150,7.14,150.5,7.112035
14,37.9,6.64061,52,7.29,60,7.48,75,7.72,90,8.11,110,8.41,120,8.47,135,8.16,150,7.48,174,6.545859
16,37.7,6.685848,52,7.34,60,7.55,75,7.91,90,8.28,110,8.81,120,8.89,135,8.69,150,7.79,177,7.069689
20,37.5,6.768737,52,7.41,60,7.6,75,8.08,90,8.58,110,9.41,120,9.67,135,10.01,150,8.69,177.5,7.767393

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.23	5.54	6.08	6.32	6.1	5.83	5.2	4.4
8	6.22	6.58	6.99	7.16	7.06	6.96	6.45	5.5
10	6.86	7.04	7.35	7.57	7.56	7.5	7.22	6.5
12	7.17	7.32	7.53	7.88	7.97	7.98	7.67	7.14
14	7.29	7.48	7.72	8.11	8.41	8.47	8.16	7.48
16	7.34	7.55	7.91	8.28	8.81	8.89	8.69	7.79
20	7.41	7.6	8.08	8.58	9.41	9.67	10.01	8.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.42	144°	3.81
8	41.2°	4.15	148°	4.77
10	40.5°	4.74	148.2°	5.63
12	38.2°	5.1	150.5°	6.19
14	37.9°	5.24	174°	6.51
16	37.7°	5.29	177°	7.06
20	37.5°	5.37	177.5°	7.76

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