Jammin' — ORC Rating | RegattaPages

GPH

573.1

OSN

565.1

LOA

9.99 m

Displacement

3073 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.748

Medium

0.9366

High

1.059

Triple Offshore

Low

0.9598

Medium

1.1538

High

1.2883

Boat Specifications

Dimensions

Length overall: 9.99 m
Beam: 3.32 m
Draft: 2.31 m
Displacement: 3073 kg
Crew weight: 400 kg
Wetted surface: 21.57 m²

Sails

Mainsail: 43.12 m²
Genoa: 28 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 99.81 m²

Design

Type: Justin 10
Builder: Intermedia d.o.o.
Designer: Justin
Year built: 1996

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.

6,42.4,5.70109,52,6.35,60,6.66,75,6.9,90,6.89,110,6.45,120,6.18,135,5.56,142.6,5.098093,150,4.68
8,39.4,6.15995,52,6.88,60,7.11,75,7.39,90,7.48,110,7.27,120,7.2,135,6.77,146.2,6.125265,150,5.87
10,37.6,6.36131,52,7.1,60,7.3,75,7.65,90,7.91,110,7.81,120,7.84,135,7.49,150,6.82,150.5,6.790327
12,36.9,6.502563,52,7.24,60,7.46,75,7.83,90,8.19,110,8.25,120,8.42,135,8.16,150,7.42,150.4,7.395098
14,36.9,6.615108,52,7.34,60,7.58,75,7.97,90,8.4,110,8.76,120,8.88,135,8.89,147.9,8.133422,150,7.96
16,36.7,6.660217,52,7.41,60,7.66,75,8.11,90,8.59,110,9.26,120,9.33,135,9.79,145.6,9.016941,150,8.59
20,37,6.723968,52,7.49,60,7.78,75,8.31,90,8.94,110,10.05,120,10.39,135,11.71,142.3,11.614922,150,10.61
24,38.9,6.694566,52,7.43,60,7.77,75,8.4,90,9.2,110,10.6,120,11.54,135,13.39,146.1,14.578097,150,13.97

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.35	6.66	6.9	6.89	6.45	6.18	5.56	4.68
8	6.88	7.11	7.39	7.48	7.27	7.2	6.77	5.87
10	7.1	7.3	7.65	7.91	7.81	7.84	7.49	6.82
12	7.24	7.46	7.83	8.19	8.25	8.42	8.16	7.42
14	7.34	7.58	7.97	8.4	8.76	8.88	8.89	7.96
16	7.41	7.66	8.11	8.59	9.26	9.33	9.79	8.59
20	7.49	7.78	8.31	8.94	10.05	10.39	11.71	10.61
24	7.43	7.77	8.4	9.2	10.6	11.54	13.39	13.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.21	142.6°	4.05
8	39.4°	4.76	146.2°	5.09
10	37.6°	5.04	150.5°	5.91
12	36.9°	5.2	150.4°	6.43
14	36.9°	5.29	147.9°	6.89
16	36.7°	5.34	145.6°	7.44
20	37°	5.37	142.3°	9.19
24	38.9°	5.21	146.1°	12.1

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